Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sang-Shin Choi0
Hyung-Seok Oh0
Jong-Heon Kim0
Min-Boum Hyun0
Date of Patent
February 3, 2009
0Patent Application Number
113773580
Date Filed
March 17, 2006
0Patent Primary Examiner
Patent abstract
A mask assembly for a Cathode Ray Tube (CRT) includes a shadow mask with a plurality of beam passage holes, and a frame including a supporting portion with a pair of long sides and a pair of short sides which fix the shadow mask and a strength maintenance portion bent from the supporting portion. The frame includes a plurality of reinforcement indentations formed on a portion of the boundary between the supporting portion and the strength maintenance portion. At least one of the reinforcement indentations satisfies the following condition:
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