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:
Nov. 15, 1988
Filed:
Dec. 18, 1987
Applicant:
Inventors:
John W Benko, Trenton, NJ (US);
Alexander Coucoulas, Basking Ridge, NJ (US);
Assignee:
American Telephone and Telegraph Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912164 ; 219 / ; 219 / ; 21912163 ;
Abstract
In one embodiment (FIG. 1) leads (14) are soldered to bonding pads (11) by heating a silica heating member (17) with a laser beam (16). The heating member has a tubular shape and encloses the solder elements to be heated. In another embodiment (FIG. 3), the heating element is a plate (22) overlying elements to be soldered which plate is scanned by a laser beam (28) along a line (31) in close proximity to the elements to be soldered.