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Patent Searching and Data


Title:
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP3912318
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To improve a semiconductor package having a laminated structure in production efficiency.
SOLUTION: A frame board 1 is mounted with a semiconductor chip 3a and semiconductor packages PK11 and PK12 positioned over the semiconductor chip 3a, and mounted with a semiconductor chip 3b and semiconductor packages PK21 and PK22 positioned over the semiconductor chip 3b. The frame board 1 is cut at the center into two semiconductor packages which are mounted with the semiconductor chip 3a and the semiconductor packages PK11 and PK12 positioned over the semiconductor chip 3a, and mounted with the semiconductor chip 3b and the semiconductor packages PK21 and PK22 positioned over the semiconductor chip 3b respectively.


Inventors:
Masakuni Shiozawa
Application Number:
JP2003127059A
Publication Date:
May 09, 2007
Filing Date:
May 02, 2003
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
H01L25/10; H01L21/98; (IPC1-7): H01L25/10
Domestic Patent References:
JP2001267492A
JP2001044362A
JP11260999A
JP10294423A
JP2000133748A
JP2001319990A
JP2002124628A
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu