GB1567209A - Shadow mask - Google Patents

Shadow mask Download PDF

Info

Publication number
GB1567209A
GB1567209A GB50028/76A GB5002876A GB1567209A GB 1567209 A GB1567209 A GB 1567209A GB 50028/76 A GB50028/76 A GB 50028/76A GB 5002876 A GB5002876 A GB 5002876A GB 1567209 A GB1567209 A GB 1567209A
Authority
GB
United Kingdom
Prior art keywords
mask
sheet
openings
cavity
shadow mask
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
GB50028/76A
Other languages
English (en)
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.)
Buckbee Mears Co
Original Assignee
Buckbee Mears Co
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 Buckbee Mears Co filed Critical Buckbee Mears Co
Publication of GB1567209A publication Critical patent/GB1567209A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
GB50028/76A 1976-03-18 1976-12-01 Shadow mask Expired GB1567209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,317 US4048536A (en) 1976-03-18 1976-03-18 Shadow mask with plurality of recessed regions extending across mask in two directions

Publications (1)

Publication Number Publication Date
GB1567209A true GB1567209A (en) 1980-05-14

Family

ID=24681859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50028/76A Expired GB1567209A (en) 1976-03-18 1976-12-01 Shadow mask

Country Status (9)

Country Link
US (1) US4048536A (enExample)
JP (1) JPS5931824B2 (enExample)
BE (1) BE851432A (enExample)
CA (1) CA1069574A (enExample)
DE (1) DE2655943A1 (enExample)
FR (1) FR2344954A1 (enExample)
GB (1) GB1567209A (enExample)
IT (1) IT1076505B (enExample)
NL (1) NL7701256A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131822A (en) * 1977-05-20 1978-12-26 Rca Corporation Cathode ray tube with stress-relieved slot-aperture shadow mask
US4293792A (en) * 1979-12-18 1981-10-06 Rca Corporation Color picture tube having improved slit type shadow mask
JPS58175237A (ja) * 1982-04-06 1983-10-14 Toshiba Corp カラ−受像管
FR2576452A1 (fr) * 1985-01-22 1986-07-25 Rca Corp Tube image couleur a masque d'ombre perfectionne
US5382870A (en) * 1992-09-21 1995-01-17 Bmc Industries, Inc. Stackable aperture masks
DE69718986T2 (de) * 1996-11-11 2004-01-08 Kabushiki Kaisha Toshiba, Kawasaki Schattenmaske und Verfahren zu deren Herstellung
WO2001071763A1 (en) * 2000-03-20 2001-09-27 Koninklijke Philips Electronics N.V. Crt with improved slotted mask
KR100692872B1 (ko) * 2004-02-04 2007-03-12 엘지전자 주식회사 마스크 및 그 제조방법과 그를 이용한 유기 전계 발광소자의 제조방법
JP2006351236A (ja) * 2005-06-13 2006-12-28 Matsushita Toshiba Picture Display Co Ltd カラー陰極線管
KR100796617B1 (ko) * 2006-12-27 2008-01-22 삼성에스디아이 주식회사 마스크 장치와 마스크 장치의 제조방법 및 이를 이용한유기전계발광표시장치의 제조방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916243A (en) * 1974-09-20 1975-10-28 Buckbee Mears Co Channeled shadow mask

Also Published As

Publication number Publication date
FR2344954A1 (fr) 1977-10-14
NL7701256A (nl) 1977-09-20
IT1076505B (it) 1985-04-27
CA1069574A (en) 1980-01-08
JPS52113672A (en) 1977-09-22
JPS5931824B2 (ja) 1984-08-04
FR2344954B1 (enExample) 1979-03-09
DE2655943A1 (de) 1977-09-22
BE851432A (nl) 1977-05-31
US4048536A (en) 1977-09-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee