Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1985-06-10
1987-07-07
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
445 52, 430 5, 430 23, H01J 9227
Patent
active
046784470
ABSTRACT:
An assembly-in-process consisting of three components-in-process is disclosed. The components-in-process comprise, respectively, a faceplate with a sealing area circumscribing a target area including of plurality of first registration-affording V-grooves; secondly, a shadow mask support assembly having a frame ultimately constituting a part of the tube envelope, and a sealing area having a like plurality of registration-affording V-grooves in alignment with the first V-grooves; and third, a like plurality of balls disposed between the mated first and second V-grooves for establishing precise registration between the faceplate and the frame in the process of screening a pattern of phosphor deposits on the target area and later in the final assembly of the tube. The assembly-in-process is characterized by the use of temporary cementing means for attaching the balls to either the first or second ones of the V-grooves, whereby the components-in-process can be reproducibly registered and re-registered in precise relationship during screening and later in final assembly of the tube. A method for use in manufacture is also disclosed.
REFERENCES:
patent: 3862830 (1975-01-01), Stern
patent: 4045200 (1977-08-01), Salisbury
patent: 4094678 (1978-06-01), Palac
patent: 4547696 (1985-10-01), Strauss
patent: 4593224 (1986-06-01), Palac
patent: 4595857 (1986-06-01), Rowe et al.
Clarke, Jr. Ralph E.
Ramsey Kenneth J.
Zenith Electronics Corporation
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