JPS4971873A - - Google Patents
Info
- Publication number
- JPS4971873A JPS4971873A JP10607473A JP10607473A JPS4971873A JP S4971873 A JPS4971873 A JP S4971873A JP 10607473 A JP10607473 A JP 10607473A JP 10607473 A JP10607473 A JP 10607473A JP S4971873 A JPS4971873 A JP S4971873A
- 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
- H01L29/36—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the concentration or distribution of impurities in the bulk material
-
- 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
-
- 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
- H01L29/0821—Collector 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 |
---|---|---|---|
US29097672A | 1972-09-21 | 1972-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4971873A true JPS4971873A (de) | 1974-07-11 |
Family
ID=23118293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10607473A Pending JPS4971873A (de) | 1972-09-21 | 1973-09-21 |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS4971873A (de) |
BE (1) | BE804932A (de) |
CA (1) | CA978281A (de) |
DE (1) | DE2347067A1 (de) |
FR (1) | FR2200625B1 (de) |
GB (1) | GB1414066A (de) |
IT (1) | IT993337B (de) |
NL (1) | NL7312775A (de) |
SE (1) | SE391606B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243609A (ja) * | 1988-03-25 | 1989-09-28 | Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk | トランジスタの評価方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2543736B1 (fr) * | 1983-03-31 | 1986-05-02 | Thomson Csf | Procede de fabrication d'un transistor de puissance a tenue en tension elevee a l'ouverture |
-
1973
- 1973-03-30 CA CA167,643A patent/CA978281A/en not_active Expired
- 1973-09-11 SE SE7312357A patent/SE391606B/xx unknown
- 1973-09-17 BE BE135714A patent/BE804932A/xx unknown
- 1973-09-17 GB GB4346773A patent/GB1414066A/en not_active Expired
- 1973-09-17 NL NL7312775A patent/NL7312775A/xx not_active Application Discontinuation
- 1973-09-19 DE DE19732347067 patent/DE2347067A1/de active Pending
- 1973-09-20 IT IT2917773A patent/IT993337B/it active
- 1973-09-20 FR FR7333797A patent/FR2200625B1/fr not_active Expired
- 1973-09-21 JP JP10607473A patent/JPS4971873A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243609A (ja) * | 1988-03-25 | 1989-09-28 | Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk | トランジスタの評価方法 |
Also Published As
Publication number | Publication date |
---|---|
CA978281A (en) | 1975-11-18 |
BE804932A (fr) | 1974-01-16 |
FR2200625B1 (de) | 1979-08-31 |
IT993337B (it) | 1975-09-30 |
GB1414066A (en) | 1975-11-12 |
FR2200625A1 (de) | 1974-04-19 |
NL7312775A (de) | 1974-03-25 |
DE2347067A1 (de) | 1974-03-28 |
SE391606B (sv) | 1977-02-21 |