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EP0340968A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Thin film device and method of manufacturing the same

Assignee: Seiko Epson Corp
•
Filing: 1989-04-27
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Granted: —
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Expires: 2009-04-27
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Abstract

Abstract A thin film device is produced by electrolysis in a solution containing an organic material, an inorganic material or a material being a mixture thereof which material is sparingly soluble or insoluble in water and a surfactant for solubilising said organic material, inorganic material or mixture thereof.

Inventors

  • 👤 Fumiaki Matsushima
  • 👤 Mitsuro Atobe
  • 👤 Yoshihiro Ono
  • 👤 Yasuto Nose

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 18:02
CPC Classifications
C; C08; C08L; C08L63/00; G; G11; G11B; G11B7/00; G11B7/24; G11B7/241; G11B7/242; G11B7/244; G11B7/249; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/133509; G02F1/133514; G02F1/133516; G02F1/136; G02F1/1362; G02F1/1365; G03; G03C; G03C1/00; G03C1/72; G03C1/73; G03F; G03F7/00; G03F7/0005; G03F7/0007; G11B7/243; G11B7/246; G11B7/2467; G11B7/248; C09; C09K; C09K2323/00; C09K2323/03; C09K2323/031; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24893; Y10T428/24901; Y10T428/24917; Y10T428/24926; Y10T428/25; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265

Claims Analysis

Total Claims: 30
Claim 1
Independent Claim 48 words
A thin film device produced by electrolysis in a solution characterised by containing an organic material, an inorganic material or a material being a mixture thereof which material is sparingly soluble or insoluble in water and a surfactant for solubilising said organic material, inorganic material or mixture thereof.
Claim 2
Dependent Claim 48 words
A thin film device produced by electrolysis in a solution characterised by containing an organic material, an inorganic material or a material being a mixture thereof which material is sparingly soluble or insoluble in water and a surfactant for solubilising said organic material, inorganic material or mixture thereof.
Claim 3
Dependent Claim 19 words
A thin film device as claimed in claim 1 characterised in that said organic material is an organic pigment.
Claim 4
Dependent Claim 65 words
A thin film device as claimed in claim 2 characterised in that said organic pigment is selected from the group mainly consisting of phthalocyanine pigment, anthraquinone pigment, thioindigo pigment, perylene pigment, quinacridone pigment, dioxazine pigment, isoindolinone pigment, quinophthalone pigment, perinone pigment, nitro pigment, nitroso pigment, azo complex salt pigment, condensed azo pigment, benzoimidazolone pigment, metal complex pigment, aniline black, daylight fluorescent pigment and diketopyrrolopyrrole pigment.
Claim 5
Dependent Claim 30 words
A thin film device as claimed in any preceding claim characterised in that said inorganic material is a hydrophilic substance with the surface nature thereof converted into a hydrophobic nature.
Claim 6
Dependent Claim 46 words
A thin film device as claimed in any preceding claim characterised in that said surfactant has a metallocene group represented by the following general formula as a hydrophobic end group: [M(C₂H₅)₂] wherein M represents Cr, Ti, Fe, V, Co, Ni, Ru, Is, Pd or the like.
Claim 7
Dependent Claim 31 words
A thin film device as claimed in any preceding claim characterised in that said organic material or inorganic material is particulate having a primary particle diameter of 0.005 to 0.5 µm.
Claim 8
Dependent Claim 24 words
A thin film device as claimed in any preceding claim characterised in that said thin film device contains a dopant for providing electrical conductivity.
Claim 9
Dependent Claim 17 words
A thin film device as claimed in claim 7 characterised in that said dopant is a halogen.
Claim 10
Dependent Claim 40 words
A thin film device as claimed in claim 8 characterised in that said halogen is doped by dissolving a halogen or a halogen compound in said aqueous micelle solution so as to deposit said halogen together with a film material.
Claim 11
Dependent Claim 45 words
A thin film device as claimed in claim 8 characterised in that said halogen is doped by immersing said thin film device in a solution containing a halogen or a halogen compound after the formation of said thin film device so as to effect electrolysis.
Claim 12
Dependent Claim 23 words
A thin film device as claimed in any preceding claim characterised in that said thin film device is used for a colour filter.
Claim 13
Dependent Claim 32 words
A thin film device as claimed in claim 11 characterised in that each coloured layer of said colour filter is composed of a mixture of at least two types of organic pigments.
Claim 14
Dependent Claim 52 words
A thin film device as claimed in claim 11 or 12 characterised in that an insulating film or a high-­resistance film is formed on a part of the unselected electrode pattern in advance when electrolysis is carried out by selectively establishing electric conduction on a specific electrode pattern formed on a substrate.
Claim 15
Dependent Claim 31 words
A thin film device as claimed in any of claims 11 to 13 characterised in that a light-shielding film is formed between the transparent electrode patterns formed on a transparent substrate.
Claim 16
Dependent Claim 23 words
A thin film device as claimed in claim 14 characterised in that said light-shielding film is formed by a dyeing method using photo-lithography.
Claim 17
Dependent Claim 24 words
A thin film device as claimed in claim 14 characterised in that said light-shielding film is a photo-setting type photo-sensitive resin containing a pigment.
Claim 18
Dependent Claim 87 words
A thin film device as claimed in claim 14 characterised in that said light-shielding film is formed by a method comprising the steps of plating a metal film on the transparent electrode formed into a predetermined pattern on a transparent substrate in advance, coating said metal film with a negative resist containing a light-shielding material, exposing the opposite side of said transparent substrate to the coated side to UV light and developing said transparent substrate so as to form said light-shielding film between said transparent electrode patterns.
Claim 19
Dependent Claim 47 words
A thin film device as claimed in claim 17 characterised in that said light-shielding pattern is formed by printing between the patterns with coloured layers formed thereon or on the opposing substrate at the portions facing the gaps between said patterns with said coloured layers formed thereon.
Claim 20
Dependent Claim 27 words
A thin film device as claimed in any of claims 1 to 10 characterised in that said thin film device is used for an optical recording medium.
Claim 21
Dependent Claim 17 words
A thin film device as claimed in claim 19 characterised in that a photo-chromic film is formed.
Claim 22
Dependent Claim 28 words
A thin film device as claimed in claim 19 or 20 characterised in that a thin film of a compound having a photo-chemical hole burning effect is formed.
Claim 23
Dependent Claim 26 words
A thin film device as claimed in any of claims 1 to 10 characterised in that said thin film device is used for an electro-photographic photo-receptor.
Claim 24
Dependent Claim 31 words
A thin film device as claimed in any of claims 1 to 10 characterised in that said thin film device is used as a carrier generating layer of said electro-­photographic photo-receptor.
Claim 25
Independent Claim 72 words
A method of manufacturing a thin film device comprising the steps of solubilising an organic material, an inorganic material or a mixture thereof which is sparingly soluble or insoluble in water in an aqueous micelle solution of a surfactant which is charged by electrolysis, and carrying out electrolysis in said aqueous micelle solution so as to destroy said micelle and deposit the solubilized material on an electrode, thereby forming a thin film.
Claim 26
Independent Claim 72 words
A method of manufacturing a thin film device comprising the steps of solubilising an organic material, an inorganic material or a mixture thereof which is sparingly soluble or insoluble in water in an aqueous micelle solution of a surfactant which is charged by electrolysis, and carrying out electrolysis in said aqueous micelle solution so as to destroy said micelle and deposit the solubilized material on an electrode, thereby forming a thin film.
Claim 27
Dependent Claim 94 words
A non-linear switching element having a thin-film laminate structure comprising a conductive material, an organic insulating thin film and a conductive material, wherein said organic insulating thin film is formed by a method characterised by comprising the steps of solubilising an organic material, an inorganic material or a mixture thereof which is sparingly soluble or insoluble in water in an aqueous micelle solution of a surfactant which is charged by electrolysis, and carrying out electrolysis in said aqueous micelle solution so as to destroy said micelle and deposit the solubilized material on an electrode.
Claim 28
Dependent Claim 94 words
A non-linear switching element having a thin-film laminate structure comprising a conductive material, an organic insulating thin film and a conductive material, wherein said organic insulating thin film is formed by a method characterised by comprising the steps of solubilising an organic material, an inorganic material or a mixture thereof which is sparingly soluble or insoluble in water in an aqueous micelle solution of a surfactant which is charged by electrolysis, and carrying out electrolysis in said aqueous micelle solution so as to destroy said micelle and deposit the solubilized material on an electrode.
Claim 29
Dependent Claim 21 words
A non-linear switching element as claimed in claim 25 characterised in that said non-linear switching element has a bi-directional non-linear characteristic.
Claim 30
Dependent Claim 25 words
A non-linear switching element as claimed in claim 25 or 26 characterised in that said organic insulating thin film is composed of a phthalocyanine material.

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