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:
Jul. 24, 2007

Filed:

Aug. 12, 2004
Applicants:

Jen-chieh Kao, Kaohsiung, TW;

Kuo-chung Yee, Taipei, TW;

Inventors:

Jen-Chieh Kao, Kaohsiung, TW;

Kuo-Chung Yee, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/72 (2006.01); H01L 21/56 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mold for molding semiconductor devices mounted on a package substrate is provided. The mold comprises a top mold and a bottom mold. The top mold has a top runner, at least a first dummy runner and a plurality of mold cavities. The first dummy runner connects with the top runner and the top runner extends into a space between the mold cavities. The mold cavities for accommodating the semiconductor devices are connected to the top runner. The bottom mold has a bottom runner and at least a second dummy runner. The second dummy runner connects with the bottom runner. The second dummy runner is above but separated from the first dummy runner by the package substrate.


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