EP0450780A2
Expired / Lapsed
EP
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Optical microelement array and its production method
Assignee: Panasonic Holdings Corp
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Filing: 1991-03-14
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Granted: —
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Expires: 2011-03-14
Abstract
Abstract An array of optical microelements is produced by press molding, at a high temperature, a transparent glass (4a) with a press mold (1) which has a molding surface formed into a shape corresponding to the optical microelement array and coated with a chemically stable thin film (2).
Inventors
- 👤 Hideto Monji
- 👤 Kiyoshi Kuribayashi
- 👤 Makoto Umetani
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 14:37
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/0006; G02B3/0012; G02B3/0031; C; C03; C03B; C03B11/00; C03B11/005; C03B11/06; C03B11/08; C03B11/082; C03B11/084; C03B11/086; C03C; C03C17/00; C03C17/02; C03C17/04; C03C3/00; C03C3/04; C03C3/062; C03C3/064; C03C3/12; C03C3/14; C03C3/15; C03C3/155; C03C8/00; C03C8/02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1335; G02F1/133526; C03B2215/00; C03B2215/02; C03B2215/08; C03B2215/10; C03B2215/12; C03B2215/14; C03B2215/16; C03B2215/17; C03B2215/40; C03B2215/41; C03B2215/414; C03B2215/66; C03B2215/80
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
37 words
A method of producing an optical microelement array, characterized by press-molding a glass substrate at a high temperature with a press mold having a molding surface formed into a desired shape corresponding to the optical microelement array.
Claim 2
Dependent Claim
19 words
A method as claimed in Claim 1, wherein the press mold is coated with a chemically stable thin film.
Claim 3
Dependent Claim
32 words
A method as claimed in Claim 2, wherein the chemically stable thin film comprises at least one metal selected from the group consisting of a noble metal, tungsten, tantalum, rhenium and hafnium.
Claim 4
Independent Claim
48 words
A method of producing an optical microelement array, characterized by press-molding a low melting point glass optical microelement array on a high melting point glass substrate at a high temperature with a press mold having a molding surface formed into a shape corresponding to the optical microelement array.
Claim 5
Dependent Claim
19 words
A method as claimed in Claim 4, wherein the press mold is coated with a chemically stable thin film.
Claim 6
Dependent Claim
32 words
A method as claimed in Claim 5, wherein the chemically stable thin film comprises at least one metal selected from the group consisting of a noble metal, tungsten, tantalum, rhenium and hafnium.
Claim 7
Independent Claim
53 words
A method of producing an optical microelement array, comprising the steps of coating a high melting point glass substrate with a low melting point glass layer, and press-molding the low melting point glass layer with a press mold having a molding surface formed into a desired shape corresponding to the optical microelement array.
Claim 8
Dependent Claim
19 words
A method as claimed in Claim 7, wherein the press mold is coated with a chemically stable thin film.
Claim 9
Dependent Claim
32 words
A method as claimed in Claim 8, wherein the chemically stable thin film comprises at least one metal selected from the group consisting of a noble metal, tungsten, tantalum, rhenium and hafnium.
Claim 10
Dependent Claim
20 words
An optical microelement, comprising a low melting point glass optical microelement array formed on a high melting point glass substrate.
Claim 11
Dependent Claim
41 words
A optical microelement comprising a high melting point gass substrate, a low melting point glass layer formed on the high melting point glass substrate, and a low melting point glass optical microelement array formed on the low melting point glass layer.
Claim 12
Dependent Claim
37 words
A optical microelement comprising a low melting point glass optical microelement array formed on one surface of a low melting point glass substrate, and an alkali elution preventive layer formed on the other surface of the substrate.
Claim 13
Dependent Claim
48 words
A display device comprising a layer of a display material composing pixels, a high melting point glass substrate holding the display material layer, and a low melting point glass optical microelement array formed on said glass substrate so that optical microelements of the array correspond to respective pixels.
Claim 14
Dependent Claim
31 words
A press mold comprising a base body with a molding surface formed into a desired shape of an optical microelement array, and a chemically stable thin film covering said molding surface.
Claim 15
Dependent Claim
33 words
A press mold as claimed in Claim 14, wherein the chemically stable thin film comprises at least one metal selected from the group consisting of a noble metal, tungsten, tantalum, rhenium and hafnium.
References Cited (Backward Citations)
No citation records indexed.
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