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:
May. 23, 1989
Filed:
Jun. 02, 1986
Applicant:
Inventor:
Theodore R Golubic, Phoenix, AZ (US);
Assignee:
Motorola Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ; B32B / ;
U.S. Cl.
CPC ...
156497 ; 156556 ; 156562 ; 29743 ;
Abstract
The present invention consists of a positive stop, pick up tool for use in precisely placing a die and leaving the required die attach material thickness between the die and the package substrate. The tool comprises: a body; a pad attached to the body for picking up dice; and positive stop pins attached to the body and extending a distance from the body equal to the distance the pad extends from the body plus the thickness of the die plus the required thickness of the die attach material.