Title:
SEMICONDUCTOR CURRENT CONTROLLER
Document Type and Number:
Japanese Patent JP3129113
Kind Code:
B2
Abstract:
PURPOSE: To obtain a highly reliable semiconductor current controller by bringing the coefficient of thermal expansion as close as possible among the members.
CONSTITUTION: A terminal block 11 comprises a main electrode terminal, i.e., an emitter terminal 15a, a collector terminal 15b, an insulation plate 20, a gate terminal 17, auxiliary gate terminals 18, 19, and rubber caps 21a, 21b for keeping airtightness of a space under the terminal block wherein the terminals are bonded to a case 12 through a hard resin 14a. A metal base 13 is screwed to the case using embedded nuts 23a, 23b and an adhesive and collars 22a-22d are employed in order to use long bolts for securing a semiconductor current controller 1 to an outer heat plate. Since the material of heat dissipation base has a coefficient of thermal expansion 1-3 times as high as that of the semiconductor current control element and thermal conductivity of 100W/mK or above, a semiconductor current controller having undeteriorating durability can be obtained.
Inventors:
Kazuji Yamada
Akira Tanaka
Ryuichi Saito
Yasutoshi Kurihara
Tadao Kushima
Takashi Futomaki
Yoshihiko Koike
Takashi Hosokawa
Mamoru Sawahata
Masahiro Koizumi
Hitoshi Ohnuki
Kazuhiro Suzuki
Isao Kobayashi
Hideo Shimizu
Akira Tanaka
Ryuichi Saito
Yasutoshi Kurihara
Tadao Kushima
Takashi Futomaki
Yoshihiko Koike
Takashi Hosokawa
Mamoru Sawahata
Masahiro Koizumi
Hitoshi Ohnuki
Kazuhiro Suzuki
Isao Kobayashi
Hideo Shimizu
Application Number:
JP24365494A
Publication Date:
January 29, 2001
Filing Date:
October 07, 1994
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H01L25/07; H01L23/36; H01L25/18; (IPC1-7): H01L25/07; H01L23/36; H01L25/18
Domestic Patent References:
| JP1239963A | ||||
| JP63193553A | ||||
| JP5235258A | ||||
| JP3145755A | ||||
| JP4350957A | ||||
| JP582670A | ||||
| JP60157241A | ||||
| JP62290163A | ||||
| JP61218151A | ||||
| JP195541A | ||||
| JP645518A | ||||
| JP5896757A | ||||
| JP6236947A | ||||
| JP455147U |
Attorney, Agent or Firm:
Yasuo Sakuta