Identification marks of picture tube parts

Details Identification marks of picture tube parts Identification marks of picture tube parts

1995-12-28

1997-01-14

Moy, Joseph M.

Receptacles

Envelope for electric lamp or similar device

Partly of conducting material

220 21A, 313477R, 313408, H01J 3100

Patent

active

055930573

ABSTRACT:
It is known to provide picture tube parts with identification marks. According to the state of the art, this identification of picture tube parts is achieved by attaching special layers or labels containing the identification data to the outside of the glass pans (10). However, this technique is extraordinarily costly because of the additional layers or labels. The invention shows that the respective identification marks (16) are formed directly on a first functional layer applied to the inside (19) of the respective picture tube part. The process is very simple if the respective identification marks (16) are burned into the first functional layer by means of a laser.

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Copy of German Search Report dated Jun. 22, 1994.
Translation of relevant categories indicated by German Examiner.

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