H - Electricity – 01 – J
Patent
H - Electricity
01
J
347/48, 313/35.1
H01J 29/07 (2006.01) H01J 31/12 (2006.01)
Patent
CA 1137202
RCA 73,778 Abstract of the Disclosure A faceplate assembly for a display device is composed of a shadow mask assembly and a frontplate assembly both of which can be individually assembled. The shadow mask assembly is composed of a plurality of vane tips positioned between a plurality of channel shaped shadow mask sections. Tie rods pass through the tips and tip spacers to hold the members together in a single assembly The spacers are positioned inside the tip walls to control the transverse dimension of the shadow mask assembly. The frontplate assembly includes location blocks which are affixed to the frontplate in the proximity of the corners of the frontplate. Location notches are precisely located on the frontplate and the precise positions of the location blocks with respect to the location notches recorded. A shadow mask assembly and a frontplate assembly are mated and the shadow mask assembly precisely positioned by inserting shims of the required thicknesses between the location blocks and the mask assembly.
367568
Carroll Charles B.
Schneller Robert E.
Morneau Roland L.
Rca Corporation
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