The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 20, 2002

Filed:

Dec. 17, 1999
Applicant:
Inventors:

Wan Kim, Yongin, KR;

Soon-chul Shin, Suwon, KR;

Gwang-soo Kang, Suwon, KR;

Assignee:

Samsung SDI Co., LTD, Kyungki-Do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 2/907 ; H01J 2/980 ; H01J 2/981 ;
U.S. Cl.
CPC ...
H01J 2/907 ; H01J 2/980 ; H01J 2/981 ;
Abstract

A tensioned shadow mask for a color cathode ray tube (CRT) adopting the same. In the color CRT including a faceplate on an inner side, a phosphor screen, a tensioned mask, and frame assembly secured to the faceplate, a funnel connected to the faceplate, the funnel having a neck portion and a cone portion, an electron gun in the neck portion of the funnel, and a deflection yoke on the cone portion of the funnel, the tensioned mask including a series of parallel strips separated by slits at an interval, tie bars interconnecting adjacent strips and defining slits at intervals, and dummy bridges disposed between adjacent tie bars, the dummy bridges respectively extending from adjacent strips toward each other in respective slits but not interconnecting the adjacent strips.


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