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EP0367541A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method of manufacturing an ink jet head

Assignee: Canon Inc
•
Filing: 1989-10-30
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Granted: —
•
Expires: 2009-10-30
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Abstract

Abstract The present invention relates to a method for manufacturing an ink jet recording head having an ink path communicated with a discharge opening, a discharge energy generating element (100) disposed in the ink path and a discharge opening plate on which the discharge opening is formed and being attached to an end surface of the ink path. The discharge opening is formed by irradiating an excimer laser (210) light on the discharge opening plate.

Inventors

  • 👤 Takashi Watanabe
  • 👤 Kazuaki Masuda
  • 👤 Akira Goto
  • 👤 Hiroshi Kono
  • 👤 Takashi Kanzaki
  • 👤 Toshio Kashino
  • 👤 Akio Saito
  • 👤 Koyo Midorikawa
  • 👤 Toru Okumura
  • 👤 Masami Ikeda
  • 👤 Nobuyuki Kuwabara

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 08:25
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/16; B41J2/162; B41J2/14; B41J2/14016; B41J2/14024; B41J2/1433; B41J2/1601; B41J2/1604; B41J2/1606; B41J2/1621; B41J2/1623; B41J2/1631; B41J2/1632; B41J2/1634; B41J2/1637; B41J2/164; B41J2/1642; B41J2/1645; B41J2/1646; B41J2002/14379

Claims Analysis

Total Claims: 68
Claim 1
Independent Claim 75 words
A method for manufacturing a ink jet recording head having an ink path communicated with a discharge opening, a discharge energy generating element disposed in said ink path, and a discharge opening plate provided with said discharge opening and attached to an end surface of said ink path, the ink being discharged from said discharge opening, characterized in that: said discharge opening is formed by irradiating an excimer laser light to said discharge opening plate.
Claim 2
Independent Claim 75 words
A method for manufacturing a ink jet recording head having an ink path communicated with a discharge opening, a discharge energy generating element disposed in said ink path, and a discharge opening plate provided with said discharge opening and attached to an end surface of said ink path, the ink being discharged from said discharge opening, characterized in that: said discharge opening is formed by irradiating an excimer laser light to said discharge opening plate.
Claim 3
Dependent Claim 98 words
A mehtod for manufacturing an ink jet recording head having an ink path communicated with a discharge opening, a discharge energy generating element disposed in said ink path, and a discharge opening plate provided with said discharge opening and attached to an end surface of said ink path, the ink being discharged from said discharge opening, characterized in that: said discharge opening plate is attached to said end surface of ink path prior to said discharge opening is formed, and then an excimer laser light is irradiated to said discharge opening plate attached to form said discharge opening.
Claim 4
Dependent Claim 98 words
A mehtod for manufacturing an ink jet recording head having an ink path communicated with a discharge opening, a discharge energy generating element disposed in said ink path, and a discharge opening plate provided with said discharge opening and attached to an end surface of said ink path, the ink being discharged from said discharge opening, characterized in that: said discharge opening plate is attached to said end surface of ink path prior to said discharge opening is formed, and then an excimer laser light is irradiated to said discharge opening plate attached to form said discharge opening.
Claim 5
Dependent Claim 40 words
A method for manufacturing an ink jet recording head according to claim 1 or 2, wherein said irradiation of excimer laser light is carried out via a mask having a pattern of said discharge opening at said discharge opening plate.
Claim 6
Independent Claim 35 words
A method for manufacturing an ink jet recording head according to any of claims 1 to 3, wherein said energy generating element is a electro­mechanical converting element generating thermal energy used for discharging the ink.
Claim 7
Independent Claim 26 words
A method for manufacturing an ink jet recording head according to any of claims 1 to 4, wherein said discharge opening plate is made of resin.
Claim 8
Dependent Claim 16 words
An ink jet recording head manufactured by method according to any of claims 1 to 5.
Claim 9
Dependent Claim 99 words
A liquid discharge recording head, comprising: a first base plate provided with a discharge energy generating element; a second base plate formed by resin molding and is connected with said first base plate, said second base plate having a groove for forming a liquid flow path corresponding to location of said discharge energy generating element upon said connection, and being provided with said liquid discharge opening for recording before said groove, said second base plate having a member for forming said discharge opening whose thickness is selected thinner at least a portion at which said discharge opening is formed.
Claim 10
Dependent Claim 99 words
A liquid discharge recording head, comprising: a first base plate provided with a discharge energy generating element; a second base plate formed by resin molding and is connected with said first base plate, said second base plate having a groove for forming a liquid flow path corresponding to location of said discharge energy generating element upon said connection, and being provided with said liquid discharge opening for recording before said groove, said second base plate having a member for forming said discharge opening whose thickness is selected thinner at least a portion at which said discharge opening is formed.
Claim 11
Dependent Claim 33 words
An liquid jet recording head according to claim 7, wherein said discharge opening forming member is a plate-like member against which said first base plate is abutted upon said connection for positioning thereof.
Claim 12
Dependent Claim 34 words
An liquid jet recording head according to claim 7 or 8, wherein said discharge energy generating element is an electro-mechanical converting member which generates thermal energy used for discharging said liquid for the recording.
Claim 13
Independent Claim 85 words
A method for manufacturing a liquid jet recording head made by connecting a first base plate provided with discharge energy generating means and a second base plate for forming a liquid flow path for recording corresponding to location of said discharge energy generating means, characterized in that: said discharge opening is formed by irradiating an excimer laser light to a blank of second base plate made of resin to which a plate member for forming a liquid discharge opening for the recording is attached integrally.
Claim 14
Independent Claim 85 words
A method for manufacturing a liquid jet recording head made by connecting a first base plate provided with discharge energy generating means and a second base plate for forming a liquid flow path for recording corresponding to location of said discharge energy generating means, characterized in that: said discharge opening is formed by irradiating an excimer laser light to a blank of second base plate made of resin to which a plate member for forming a liquid discharge opening for the recording is attached integrally.
Claim 15
Independent Claim 120 words
A method for manufacturing a liquid jet recording head made by connecting a first base plate provided with discharge energy generating means and a second base plate for forming a liquid flow path for recording corresponding to location of said discharge energy generating means, characterized in that: a first step for irradiating an excimer laser light to a blank of second base plate made of resin to which a plate member for forming a liquid discharge opening for the recording is formed integrally to thereby make said plate member thin at least in an area at which said discharge opening is formed; a second step for forming said discharge opening by irradiating an excimer laser light at said thinned portion.
Claim 16
Independent Claim 120 words
A method for manufacturing a liquid jet recording head made by connecting a first base plate provided with discharge energy generating means and a second base plate for forming a liquid flow path for recording corresponding to location of said discharge energy generating means, characterized in that: a first step for irradiating an excimer laser light to a blank of second base plate made of resin to which a plate member for forming a liquid discharge opening for the recording is formed integrally to thereby make said plate member thin at least in an area at which said discharge opening is formed; a second step for forming said discharge opening by irradiating an excimer laser light at said thinned portion.
Claim 17
Independent Claim 112 words
A method for manufacturing an ink jet recording head having an ink path communicated with a discharge opening, discharge energy generating element disposed in said ink path for generating energy used for discharging the ink, and a discharge opening forming member provided with said discharge opening and attached to an open surface at which an opening communicated with said ink path is disposed, the ink being discharged through said discharge opening to carry out the recording, characterized in that: said discharge opening on said discharge opening forming member is formed by irradiation of an excimer laser light, and said excimer laser entering side upon said irradiation is attached to said open surface.
Claim 18
Independent Claim 112 words
A method for manufacturing an ink jet recording head having an ink path communicated with a discharge opening, discharge energy generating element disposed in said ink path for generating energy used for discharging the ink, and a discharge opening forming member provided with said discharge opening and attached to an open surface at which an opening communicated with said ink path is disposed, the ink being discharged through said discharge opening to carry out the recording, characterized in that: said discharge opening on said discharge opening forming member is formed by irradiation of an excimer laser light, and said excimer laser entering side upon said irradiation is attached to said open surface.
Claim 19
Dependent Claim 45 words
A method for manufacturing an ink jet recording head according to claim 12, wherein said irradiation of said excimer laser light is carried out by using amask covering all of or a part of pattern of said discharge opening at said discharge opening forming member.
Claim 20
Dependent Claim 25 words
A method for manufacturing an ink jet recording head according to claim 12 or 13, wherein said discharge opening forming member is made of resin.
Claim 21
Independent Claim 33 words
A method for manufacturing an ink jet recording head according to any of claims 12 to 14, wherein said energy generating means is an electro­mechanical converting member generating thermal energy as said energy.
Claim 22
Dependent Claim 17 words
An ink jet recording head manufactured by a method according to any of claims 12 to 15.
Claim 23
Independent Claim 106 words
A method for manufacturing an ink jet recording head having a base plate provided with a element generating discharge energy used for discharging the ink, a ceiling plate having a recessed portion for forming an ink flow path corresponding to disposed location of said discharge energy element by being attached with said base plate, and a discharge opening forming member on which a discharge opening communicated with said ink path, and discharges the ink is formed, characterized in that: an excimer laser light is irradiated from said recessed side to form said discharge opening, after said ceiling plate and discharge opening forming member are connected integrally.
Claim 24
Independent Claim 106 words
A method for manufacturing an ink jet recording head having a base plate provided with a element generating discharge energy used for discharging the ink, a ceiling plate having a recessed portion for forming an ink flow path corresponding to disposed location of said discharge energy element by being attached with said base plate, and a discharge opening forming member on which a discharge opening communicated with said ink path, and discharges the ink is formed, characterized in that: an excimer laser light is irradiated from said recessed side to form said discharge opening, after said ceiling plate and discharge opening forming member are connected integrally.
Claim 25
Dependent Claim 26 words
A method for manufacturing an ink jet recording head according to claim 17, wherein said ceiling plate and said discharge opening forming member are formed integrally.
Claim 26
Dependent Claim 14 words
An ink jet recording head manufactured by method according to claim 17 or 18.
Claim 27
Dependent Claim 27 words
An ink jet recording head according to claim 19, wherein said discharge energy generating means is an electro-mechanical converting member generating thermal energy as said discharge energy.
Claim 28
Dependent Claim 76 words
An ink jet recording head having a discharge opening forming member provided with a discharge opening for discharging ink, an ink path communicated with said discharge opening, and a discharge energy generating element disposed on a part of said ink flow path to generate energy used for discharging the ink, the ink being discharged to carry out recording, characterized in that: said discharge opening forming member is formed by accumulating plural members of different kind materials.
Claim 29
Dependent Claim 76 words
An ink jet recording head having a discharge opening forming member provided with a discharge opening for discharging ink, an ink path communicated with said discharge opening, and a discharge energy generating element disposed on a part of said ink flow path to generate energy used for discharging the ink, the ink being discharged to carry out recording, characterized in that: said discharge opening forming member is formed by accumulating plural members of different kind materials.
Claim 30
Dependent Claim 22 words
An ink jet recording head according to claim 21, wherein said discharge opening forming member is worked by an excimer laser light.
Claim 31
Dependent Claim 28 words
An ink jet recording head according to claim 21 or 22, wherein a member forming a discharge opening surface side of said plural members has water repellant character.
Claim 32
Dependent Claim 31 words
An ink jet recording head according to claim 21 or 22, wherein a member forming a discharge opening surface side of said plural members functions as a mask for laser light.
Claim 33
Dependent Claim 31 words
An ink jet recording head according to one of claims 21 to 24, wherein said discharge energy generating element is an electro-mechanical converting member which generates thermal energy as said energy.
Claim 34
Dependent Claim 55 words
A discharge opening plate for an ink jet recording head, comprising: a plate member; a water repellant cover layer provided on an upper surface of said plate member; an adhesive layer provided on a lower surface of said plate member; and a through hole for forming a discharge opening for discharging ink therethrough being provided.
Claim 35
Dependent Claim 55 words
A discharge opening plate for an ink jet recording head, comprising: a plate member; a water repellant cover layer provided on an upper surface of said plate member; an adhesive layer provided on a lower surface of said plate member; and a through hole for forming a discharge opening for discharging ink therethrough being provided.
Claim 36
Dependent Claim 24 words
A discharge opening plate for an ink jet recording head according to claim 26, wherein said plate member is made of resin or metal.
Claim 37
Independent Claim 74 words
A method for manufacturing a discharge opening plate for an ink jet recording head, comprising: a step for providing said water repellant cover layer on an upper surface of plate member; a step for providing said adhesive agent layer on a lower surface of plate member; a step for drilling a through hole on a plate member on which said both layers are provided for forming a discharge opening for discharging the ink therethrough.
Claim 38
Independent Claim 74 words
A method for manufacturing a discharge opening plate for an ink jet recording head, comprising: a step for providing said water repellant cover layer on an upper surface of plate member; a step for providing said adhesive agent layer on a lower surface of plate member; a step for drilling a through hole on a plate member on which said both layers are provided for forming a discharge opening for discharging the ink therethrough.
Claim 39
Dependent Claim 28 words
A method for manufacturing a discharge opening plate for an ink jet recording head according to claim 28, wherein said plate member is made of resin or metal.
Claim 40
Dependent Claim 33 words
An ink jet recording head provided with said discharge opening plate and a head body having an ink path communicated with said through hole of discharge opening plate of claim 26 or 27.
Claim 41
Independent Claim 52 words
A method for manufacturing an ink jet head, characterized in that: drilling a plate-like member made by accumulating a water repellant layer, a base film and an adhesive agent layer sequentially; and adhering said plate-like member to a surface on which an opening communicating with an ink path of a head body.
Claim 42
Independent Claim 52 words
A method for manufacturing an ink jet head, characterized in that: drilling a plate-like member made by accumulating a water repellant layer, a base film and an adhesive agent layer sequentially; and adhering said plate-like member to a surface on which an opening communicating with an ink path of a head body.
Claim 43
Independent Claim 68 words
A method for manufacturing an ink jet head, characterized in that: drilling a plate-like member made by accumulating a water repellant layer, a base film, an adhesive agent layer and a mold release film sequentially; tearing said mold release film; and adhering said plate-like member whose mold release film has been torn to a surface on which an opening communicating with an ink path of a head body.
Claim 44
Independent Claim 68 words
A method for manufacturing an ink jet head, characterized in that: drilling a plate-like member made by accumulating a water repellant layer, a base film, an adhesive agent layer and a mold release film sequentially; tearing said mold release film; and adhering said plate-like member whose mold release film has been torn to a surface on which an opening communicating with an ink path of a head body.
Claim 45
Dependent Claim 14 words
An ink jet head manufactured by a method according to claim 31 or 32.
Claim 46
Independent Claim 99 words
A method for manufacturing a discharge opening plate having a through hole for forming a discharge opening, for an ink jet recording head, comprising: a step for forming a metallic layer forming said discharge opening plate at a surface of a base member on which a resin layer having configuration corresponding to that of said through hole is arranged corresponding to arrangement of said through hole; a step for making water repellant treatment to a surface of said metallic surface; and a step for removing said resin layer from said surface of base member to form said through hole.
Claim 47
Independent Claim 99 words
A method for manufacturing a discharge opening plate having a through hole for forming a discharge opening, for an ink jet recording head, comprising: a step for forming a metallic layer forming said discharge opening plate at a surface of a base member on which a resin layer having configuration corresponding to that of said through hole is arranged corresponding to arrangement of said through hole; a step for making water repellant treatment to a surface of said metallic surface; and a step for removing said resin layer from said surface of base member to form said through hole.
Claim 48
Dependent Claim 36 words
A method for manufacturing a discharge opening plate for an ink jet recording head according to claim 34, wherein said surface of base member is made conductive, and said metallic layer is formed by an electroforming.
Claim 49
Independent Claim 60 words
A method for manufacturing an ink jet recording head made by connecting a plate having grooves for forming ink paths provided corresponding to each of plural ink discharge openings, and a base plate having a discharge energy generating element disposed at a part of said ink paths, comprising: said grooves of plate are formed by irradiating an excimer laser light.
Claim 50
Independent Claim 60 words
A method for manufacturing an ink jet recording head made by connecting a plate having grooves for forming ink paths provided corresponding to each of plural ink discharge openings, and a base plate having a discharge energy generating element disposed at a part of said ink paths, comprising: said grooves of plate are formed by irradiating an excimer laser light.
Claim 51
Independent Claim 95 words
A method for manufacturing an ink jet recording head made by connecting a plate having grooves for forming ink paths provided corresponding to each of plural discharge openings and a common liquid chamber for storing the ink supplied to said ink paths, and a base member having a discharge energy generating element disposed at a part of said ink paths, characterized in that: forming a base member having said grooves for forming said common chamber by injection molding; working said grooves forming said ink paths by irradiating an excimer laser light to said base member.
Claim 52
Independent Claim 95 words
A method for manufacturing an ink jet recording head made by connecting a plate having grooves for forming ink paths provided corresponding to each of plural discharge openings and a common liquid chamber for storing the ink supplied to said ink paths, and a base member having a discharge energy generating element disposed at a part of said ink paths, characterized in that: forming a base member having said grooves for forming said common chamber by injection molding; working said grooves forming said ink paths by irradiating an excimer laser light to said base member.
Claim 53
Dependent Claim 28 words
A method for manufacturing an ink jet recording head according to claim 36 or 37, wherein said irradiating of excimer laser light is carried out via a mask.
Claim 54
Independent Claim 35 words
A method for manufacturing an ink jet recording head according to any claims 36 to 38, wherein said discharge energy generating element is an electro-­mechanical converting element generating thermal energy used for discharging the ink.
Claim 55
Independent Claim 24 words
A method for manufacturing an ink jet recording head according to any of claims 36 to 39, wherein said plate is made by resin.
Claim 56
Dependent Claim 16 words
An ink jet recording head manufactured by method according to any of claims 36 to 40.
Claim 57
Independent Claim 46 words
A method for manufacturing an ink jet recording head in which plural discharge openings are formed by irradiating excimer laser light, characterized in that: at least one of entering angles of the laser light relative to a surface of said discharge openings is differentiated from others.
Claim 58
Independent Claim 46 words
A method for manufacturing an ink jet recording head in which plural discharge openings are formed by irradiating excimer laser light, characterized in that: at least one of entering angles of the laser light relative to a surface of said discharge openings is differentiated from others.
Claim 59
Dependent Claim 56 words
A method for manufacuturing an ink jet recording head according to claim 42, wherein at least one of entering angles is differentiated from others in a plane defined by a direction of arrangement of said discharge openings and which is vertical to said discharge opening surface, and a direction of ink discharge from said discharge opening.
Claim 60
Dependent Claim 59 words
A method for manufacturing an ink jet recording head according to claim 42, wherein said entering angles are differentiated so that a plane defined by a direction of arrangement of said discharge openings and which is vertical to a surface of said discharge openings and an ink discharging direction from said discharge openings, and said surface of discharge openings.
Claim 61
Dependent Claim 17 words
An ink jet recording head manufactured by a method according to any of claims 42 to 44.
Claim 62
Dependent Claim 26 words
An ink jet recording head according to claim 45, furhter having an electro-thermal converting element an energy generating element generating energy used for discharging the ink.
Claim 63
Dependent Claim 35 words
An ink jet recording head manufactured by a method according to any of claims 42 to 44 and made by combining plural heads whose ink discharging directions from said discharge openings are differentiated each other.
Claim 64
Dependent Claim 44 words
An ink jet recording apparatus including an ink jet recording head manufactured by a method according to any of claims 6 to 9, 16, 19 to 25, 30, 33, 41 and 45 to 47, and a member for mounting said ink jet head thereon.
Claim 65
Dependent Claim 30 words
For an ink jet recording head, a discharge opening deforming member in which the or each discharge opening therein is found by irradiating said member with an excimer laser light.
Claim 66
Dependent Claim 30 words
For an ink jet recording head, a discharge opening deforming member in which the or each discharge opening therein is found by irradiating said member with an excimer laser light.
Claim 67
Dependent Claim 34 words
For an ink jet recording head, a discharge opening forming member in which the discharge opening forming member is formed by a plurality of members at least some of which are of different materials.
Claim 68
Dependent Claim 34 words
For an ink jet recording head, a discharge opening forming member in which the discharge opening forming member is formed by a plurality of members at least some of which are of different materials.

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