The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 1998
Filed:
Feb. 08, 1996
Applicant:
Inventors:
Assignee:
Samsung Display Devices Co., Ltd., Kyunggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; H01J / ;
U.S. Cl.
CPC ...
427 64 ; 427 68 ; 427 74 ; 313402 ; 445 47 ;
Abstract
Disclosed is a method for making a shadow mask for a color picture tube, including the steps of: forming a pattern, corresponding to apertures of the shadow mask, on a screen mesh fixed to a frame; applying metal paste on the screen mesh having the pattern; disposing a flat AK steel shadow mask under the screen mesh; printing a metal layer on a face of the flat AK steel shadow mask by squeezing the metal paste on the screen mesh with a constant pressure along a direction; and pressing the flat shadow mask to form a skirt portion and a bead portion of the shadow mask.