Title:
電子装置及びその製造方法
Document Type and Number:
Japanese Patent JP4757292
Kind Code:
B2
Abstract:
A less expensive memory card is provided. An electronic device according to the present invention comprises a substrate having wiring lines with plural external electrode terminals exposed to a first surface of the substrate, a sealing member formed of an insulating resin to cover the whole of a second surface as a back surface opposite to the first surface, and one or plural semiconductor elements covered with the sealing member and fixed to the second surface of the substrate, the semiconductor element(s) having electrodes connected electrically to the wiring lines through a connecting means. The substrate is quadrangular in shape and a card-shaped package is constituted by the substrate and the sealing member. One or plural semiconductor elements constituting a memory chip(s), as well as a control chip for controlling the memory chip(s), are fixed to the substrate to form a memory card. A direction recognizing portion is formed at edges of the substrate and the sealing member.
Inventors:
Miura Tomomi
Toru Saga
Nobue Sato
Tsuyoshi Ito
Toru Saga
Nobue Sato
Tsuyoshi Ito
Application Number:
JP2008257318A
Publication Date:
August 24, 2011
Filing Date:
October 02, 2008
Export Citation:
Assignee:
Elpida Memory Co., Ltd.
International Classes:
G06K19/077; G06K19/07; H01L21/56; H01L23/31
Domestic Patent References:
| JP63120694A | ||||
| JP3138967A | ||||
| JP2000123141A | ||||
| JP8332790A |
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata
Ishibashi Masayuki
Masaaki Ogata