JPS57501407A - - Google Patents
Info
- Publication number
- JPS57501407A JPS57501407A JP56502729A JP50272981A JPS57501407A JP S57501407 A JPS57501407 A JP S57501407A JP 56502729 A JP56502729 A JP 56502729A JP 50272981 A JP50272981 A JP 50272981A JP S57501407 A JPS57501407 A JP S57501407A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0804—Emitter regions of bipolar transistors
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Bipolar Transistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18637980A | 1980-09-12 | 1980-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57501407A true JPS57501407A (de) | 1982-08-05 |
Family
ID=22684718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56502729A Pending JPS57501407A (de) | 1980-09-12 | 1981-07-27 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0059720A1 (de) |
| JP (1) | JPS57501407A (de) |
| IT (1) | IT1142734B (de) |
| WO (1) | WO1982001103A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5818964A (ja) * | 1981-07-28 | 1983-02-03 | Fujitsu Ltd | 半導体装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1514008B2 (de) * | 1965-04-22 | 1972-12-07 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Flaechentransistor |
| DE1614800C3 (de) * | 1967-04-08 | 1978-06-08 | Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm | Verfahren zum Herstellen eines Planartransistors mit Tetrodeneigenschaften |
| US3609474A (en) * | 1969-11-10 | 1971-09-28 | Texas Instruments Inc | Semiconductor with improved heat dissipation characteristics |
-
1981
- 1981-07-27 JP JP56502729A patent/JPS57501407A/ja active Pending
- 1981-07-27 EP EP81902183A patent/EP0059720A1/de not_active Withdrawn
- 1981-07-27 WO PCT/US1981/001009 patent/WO1982001103A1/en not_active Application Discontinuation
- 1981-09-03 IT IT49226/81A patent/IT1142734B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8149226A0 (it) | 1981-09-03 |
| EP0059720A1 (de) | 1982-09-15 |
| IT1142734B (it) | 1986-10-15 |
| WO1982001103A1 (en) | 1982-04-01 |