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:
Jan. 14, 1997
Filed:
Jun. 12, 1995
Applicant:
Inventors:
Yasuhiro Teshima, Kawasaki, JP;
Tetsuo Kurokawa, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; H05K / ;
U.S. Cl.
CPC ...
228 39 ; 29840 ; 101127 ;
Abstract
A mask for printing solder paste includes a mask plate, and first mask holes which are formed in the mask plate and have a first size, and second mask holes which are formed in the mask plate and have a second size smaller than the first size. The mask plate has a first region having the first mask holes, and a second region having the second mask holes. The mask plate has a first thickness in the first region, and a second thickness in the second region. The second thickness is smaller than the first thickness.