Nothing Special   »   [go: up one dir, main page]

CA1088901A - Method of manufacturing keyboard buttons - Google Patents

Method of manufacturing keyboard buttons

Info

Publication number
CA1088901A
CA1088901A CA296,004A CA296004A CA1088901A CA 1088901 A CA1088901 A CA 1088901A CA 296004 A CA296004 A CA 296004A CA 1088901 A CA1088901 A CA 1088901A
Authority
CA
Canada
Prior art keywords
layer
radiation sensitive
character
radiation
sensitive material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA296,004A
Other languages
English (en)
French (fr)
Inventor
Robert W. D. Mitchell
James H. C. Purdie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1088901A publication Critical patent/CA1088901A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/12—Construction of key buttons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/032—Printed information photographic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
CA296,004A 1977-02-24 1978-02-01 Method of manufacturing keyboard buttons Expired CA1088901A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB07823/77 1977-02-24
GB782377A GB1521435A (en) 1977-02-24 1977-02-24 Keyboard button manufacture

Publications (1)

Publication Number Publication Date
CA1088901A true CA1088901A (en) 1980-11-04

Family

ID=9840447

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296,004A Expired CA1088901A (en) 1977-02-24 1978-02-01 Method of manufacturing keyboard buttons

Country Status (5)

Country Link
JP (1) JPS5840517B2 (pt)
BR (1) BR7800618A (pt)
CA (1) CA1088901A (pt)
DE (1) DE2807843A1 (pt)
GB (1) GB1521435A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2049210B (en) * 1979-02-26 1983-09-01 Shipley Co Photographic formation of visible images
DE2936926C2 (de) * 1979-09-12 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Herstellen von mit verschiedenen Zeichen versehenen gleichartigen Kunststoffteilen, insbesondere Kunststoff-Gerätetasten durch Spritzgießen
CH636715A5 (fr) * 1980-05-09 1983-06-15 Nestle Sa Clavier.
JPS57201688A (en) * 1981-06-05 1982-12-10 Toho Polymer Kk Operation display body and manufacture thereof
DE3373990D1 (en) * 1982-04-15 1987-11-12 Standard Telephon & Radio Ag Key element
DE3443585A1 (de) * 1984-11-29 1986-05-28 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung von beschrifteten tasten
JP2555914B2 (ja) * 1991-02-21 1996-11-20 ミツミ電機株式会社 押釦の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132756B2 (pt) * 1971-11-25 1976-09-14
JPS492269U (pt) * 1972-04-07 1974-01-10
JPS5524850Y2 (pt) * 1974-09-03 1980-06-14
JPS526218A (en) * 1975-07-05 1977-01-18 Omron Tateisi Electronics Co Method of producing key top

Also Published As

Publication number Publication date
JPS5840517B2 (ja) 1983-09-06
GB1521435A (en) 1978-08-16
JPS53125119A (en) 1978-11-01
DE2807843A1 (de) 1978-08-31
BR7800618A (pt) 1978-09-12

Similar Documents

Publication Publication Date Title
US5503902A (en) Light control material
JPS6259663B2 (pt)
US5637426A (en) Method and apparatus for forming resist pattern, and printed wiring board fabricated thereby
CA1088901A (en) Method of manufacturing keyboard buttons
JPH0232619B2 (pt)
US5077155A (en) Method of making grid lines for thermally-transferred color filter array element
JPS57190912A (en) Production of color filter
CA2012258A1 (en) Image-forming material and process for forming images
US4518666A (en) Enlargement of photopolymer images in photopolymer mask
EP0052806B1 (en) Dot-enlargement process for photopolymer litho masks
US3671237A (en) Method for producing images
EP0517923A4 (en) Method of forming minute resist pattern
US4569577A (en) Photographic animation transfer process
JPS55157737A (en) Resist pattern forming method for photofabrication
JPS60126650A (ja) 樹脂パタ−ン印刷方法
US2336590A (en) Method of ornamentation
US5162194A (en) Method of providing a printed circuit board with a cover coat
US5217829A (en) Method for producing photomasks
JPS5983158A (ja) 樹脂パタ−ン印刷方法
JPH03161993A (ja) プリント基板の製造方法、フォトソルダーレジストおよびソルダーレジストインキ
JPH0755584B2 (ja) スクリーンマスクの製法
US1961476A (en) Process of producing press plates
WO1995023710A1 (en) Light control material and method for making same
JPH0844044A (ja) 印刷版の画像形成方法
JPS5814838A (ja) 表示板の多色印刷方法

Legal Events

Date Code Title Description
MKEX Expiry