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.

Date of Patent:
Nov. 27, 2001

Filed:

Oct. 13, 1998
Applicant:
Inventors:

Ho Tae Jin, Cheonan, KR;

Hee Kook Choi, Cheonan, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 1/00 ;
U.S. Cl.
CPC ...
B23K 1/00 ;
Abstract

A die collet for a semiconductor chip having an exposed electrical structure, the die collet including a body having a vacuum line connected thereto, the die collet including a plurality of parts each having a vacuum hole communicating with the vacuum line. Apparatus for bonding a semiconductor chip to a lead frame, the apparatus including a first die collet for picking up the semiconductor chip, on aligning stage for receiving the semiconductor chip from the first pickup tool and aligning the semiconductor chip. A second die collet picks up the semiconductor chip from the aligning stage and places the semiconductor chip on a lead frame. The first and second die collets are constructed as described above.


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