Patent US4707705A successfully refreshed from Google Patents.
US4707705A
Expired / Lapsed
US
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Ink jet recording device
Assignee: Canon Inc
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Filing: 1986-03-24
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Granted: 1987-11-17
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Expires: 2006-03-24
Abstract
Abstract A device for recording comprising ejecting a liquid recording medium by heat energy which comprises a recording head composed of a discharging orifice for ejecting the liquid recording medium in a form of droplets, an inlet for introducing the liquid recording medium, a liquid chamber for holding the liquid recording medium, and a heating element for applying heat energy to the liquid recording medium in the liquid chamber, and a means for applying voltage pulse to control heating by the heating element, the distance between the surface of the heating element and the liquid recording medium being not more than 100 microns.
Inventors
- 👤 Toshitami Hara
- 👤 Yasushi Sato
- 👤 Yasushi Takatori
- 👤 Yoshiaki Shirato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:32
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/14; B41J2/14016; B41J2/14032; B41J2/1404; B41J2/1408; B41J2/14088; B41J2/14112; B41J2/14129; B41J2/14201; B41J2/1433; B41J2/16; B41J2/1606; B41J2002/14379; B41J2002/14387; B41J2202/00; B41J2202/01; B41J2202/03
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
51 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a layer of a cured resin film which regulates the size of the opening of the discharging orifice.
Claim 2
Independent Claim
51 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a layer of a cured resin film which regulates the size of the opening of the discharging orifice.
Claim 3
Dependent Claim
27 words
A device according to claim 1, wherein the cured resin film is made of a resin liquid having the viscosity range of 100 cps-100,000 cps (25° C.).
Claim 4
Dependent Claim
24 words
A device according to claim 1, wherein the cured resin film is composed of any resin selected from polyurethane, silicone, phenolic and epoxy resins.
Claim 5
Dependent Claim
17 words
A device according to claim 1, wherein the discharging orifice has a size of 5 μmφ-80 μmφ.
Claim 6
Dependent Claim
24 words
A device according to claim 1, wherein the discharging orifice is composed of any material selected from quartz, glass, ceramics, metal, alloy and plastics.
Claim 7
Dependent Claim
15 words
A device according to claim 1, wherein the discharging orifice is a plurality of orifices.
Claim 8
Dependent Claim
20 words
A device according to claim 6, wherein all of the discharging orifices are provided with a substantially equal opening size.
Claim 9
Dependent Claim
15 words
A device according to claim 1, wherein the discharging orifice is in a circular form.
Claim 10
Independent Claim
91 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of one of sputtering, ion plating, vapor-phase growth and plasma polymerization, and said material being a polyxylylene resin or derivatives thereof.
Claim 11
Independent Claim
91 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of one of sputtering, ion plating, vapor-phase growth and plasma polymerization, and said material being a polyxylylene resin or derivatives thereof.
Claim 12
Independent Claim
96 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of one of sputtering, ion plating, vapor-phase growth and plasma polymerization, and said material being a plasma polymerization product of a monomer of an organic compound.
Claim 13
Independent Claim
96 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of one of sputtering, ion plating, vapor-phase growth and plasma polymerization, and said material being a plasma polymerization product of a monomer of an organic compound.
Claim 14
Independent Claim
97 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of dispersing finely divided particles of said material in a non-liquid medium and solidifying said finely divided particles so that they adhere firmly to the discharging orifice.
Claim 15
Independent Claim
97 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of dispersing finely divided particles of said material in a non-liquid medium and solidifying said finely divided particles so that they adhere firmly to the discharging orifice.
Claim 16
Dependent Claim
18 words
The device according to claim 11, in which said deposition of said material is by means of sputtering.
Claim 17
Dependent Claim
20 words
The device according to claim 11, in which said deposition of said material is by means of vapor-deposition ion plating.
Claim 18
Dependent Claim
19 words
The device according to claim 11, in which said deposition of said material is by means of vapor-phase growth.
Claim 19
Dependent Claim
19 words
The device according to claim 11, in which said deposition of said material is by means of plasma polymerization.
Claim 20
Independent Claim
82 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of one of sputtering, vapor-deposition ion plating, vapor-phase growth and plasma polymerization.
Claim 21
Independent Claim
82 words
A device for recording comprising: means defining a liquid chamber, said liquid chamber having a discharging orifice through which a liquid recording medium in said liquid chamber is ejected, the discharging orifice including a material insoluble in the liquid recording medium and produced in the form of a film by deposition which regulates the size of the opening of the discharging orifice, said deposition of said material being by means of one of sputtering, vapor-deposition ion plating, vapor-phase growth and plasma polymerization.
Claim 22
Dependent Claim
18 words
A device according to claim 16, in which said deposition of said material is by means of sputtering.
Claim 23
Dependent Claim
19 words
A device according to claim 16, in which said deposition of said material is by means of vapor-phase growth.
Claim 24
Dependent Claim
19 words
A device according to claim 16, in which said deposition of said material is by means of plasma polymerization.
Claim 25
Dependent Claim
15 words
A device according to claim 16, wherein the material is a metal or metallic compound.
Claim 26
Dependent Claim
24 words
A device according to claim 16, wherein the discharging orifice is composed of any material selected from quartz, glass, ceramics, metal, alloy and plastics.
Claim 27
Dependent Claim
15 words
A device according to claim 16, wherein the discharging orifice is a plurality of orifices.
Claim 28
Dependent Claim
20 words
A device according to claim 22, wherein all of the discharging orifices are provided with a substantially equal opening size.
Claim 29
Dependent Claim
15 words
A device according to claim 16, wherein the discharging orifice is in a circular form.
Claim 30
Dependent Claim
17 words
A device according to claim 16, wherein the discharging orifice has a size of 5 μmφ-20 μmφ.
References Cited (Backward Citations)
US3461045A
Cited
US3662399A
Cited
US3655530A
Cited
US3747120A
Cited
US3941312A
Cited
US3878519A
Cited
US3958255A
Cited
US3949410A
Cited
US4079384A
Cited
US4243994A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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