CA1142570A - Color picture tube having improved slit type shadow mask and method of making same - Google Patents

Color picture tube having improved slit type shadow mask and method of making same

Info

Publication number
CA1142570A
CA1142570A CA000351855A CA351855A CA1142570A CA 1142570 A CA1142570 A CA 1142570A CA 000351855 A CA000351855 A CA 000351855A CA 351855 A CA351855 A CA 351855A CA 1142570 A CA1142570 A CA 1142570A
Authority
CA
Canada
Prior art keywords
apertures
color picture
mask
picture tube
photomaster
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
CA000351855A
Other languages
English (en)
French (fr)
Inventor
Henry W. Kuzminski
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1142570A publication Critical patent/CA1142570A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • 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
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
CA000351855A 1979-05-24 1980-05-13 Color picture tube having improved slit type shadow mask and method of making same Expired CA1142570A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4199879A 1979-05-24 1979-05-24
US041,998 1979-05-24

Publications (1)

Publication Number Publication Date
CA1142570A true CA1142570A (en) 1983-03-08

Family

ID=21919501

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000351855A Expired CA1142570A (en) 1979-05-24 1980-05-13 Color picture tube having improved slit type shadow mask and method of making same

Country Status (6)

Country Link
JP (1) JPS55159545A (de)
CA (1) CA1142570A (de)
DD (1) DD153023A5 (de)
DE (1) DE3019816A1 (de)
FR (1) FR2457561A1 (de)
IT (1) IT1131155B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2741036B2 (ja) * 1988-07-30 1998-04-15 大日本スクリーン製造株式会社 カラー受像管用シャドウマスク
DE69132527T2 (de) * 1990-11-22 2001-08-23 Toshiba Kawasaki Kk Negativplatte zur Herstellung einer Schattenmaske und Verfahren zur Herstellung der Negativplatte
KR20060109100A (ko) 2005-04-15 2006-10-19 삼성에스디아이 주식회사 음극선관용 새도우 마스크

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL203836A (de) * 1956-01-21
DE1951304A1 (de) * 1968-10-30 1970-05-21 Sanyo Electric Co Farb-Kathodenstrahlroehre
GB1430864A (en) * 1973-04-06 1976-04-07 Woollenweber W E Rotatable assembly including two vaned wheels mounted on a common shaft
US3834905A (en) * 1973-05-23 1974-09-10 Rca Corp Method of making elliptically or rectangularly graded photoprinting masters
US3955980A (en) * 1974-11-04 1976-05-11 Zenith Radio Corporation Method for making a color selection mask for a color cathode ray tube
JPS5158065A (ja) * 1974-11-18 1976-05-21 Hitachi Ltd Karaajuzokan
JPS5320853A (en) * 1976-08-11 1978-02-25 Hitachi Ltd Rear-stage convergence type color picture tube
JPS5376741A (en) * 1976-12-20 1978-07-07 Toshiba Corp Shadow mask its fabrication

Also Published As

Publication number Publication date
IT1131155B (it) 1986-06-18
JPS55159545A (en) 1980-12-11
FR2457561A1 (fr) 1980-12-19
DE3019816A1 (de) 1980-11-27
IT8021829A0 (it) 1980-05-06
DD153023A5 (de) 1981-12-16

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Legal Events

Date Code Title Description
MKEX Expiry