Shadow mask frame assembly
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United States of America Patent
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-
Feb 28, 1995
Grant Date -
N/A
app pub date -
Jun 8, 1992
filing date -
Jun 8, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shadow mask frame assembly includes hook springs made of a plate-like bimetal member whose outer side is a high-expansion side and inner side is a low-expansion side, is fixed on a frame in the direction of an electron beam proceeding axis, and is nearly L-shaped to have a fixing portion welded to the base of the frame and a fitting portion having a fitting hole into which a stud pin on the inner side of a panel is fitted. The shadow mask frame assembly is not distorted or rotated with respect to the panel during the thermal expansion of a shadow mask due to electron beam collision, and is sufficiently compensated only in the direction of the electron beam's proceeding axis.
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