AU461443B2 - Power transistors having controlled emitter impurity concentrations - Google Patents
Power transistors having controlled emitter impurity concentrationsInfo
- Publication number
- AU461443B2 AU461443B2 AU32917/71A AU3291771A AU461443B2 AU 461443 B2 AU461443 B2 AU 461443B2 AU 32917/71 A AU32917/71 A AU 32917/71A AU 3291771 A AU3291771 A AU 3291771A AU 461443 B2 AU461443 B2 AU 461443B2
- Authority
- AU
- Australia
- Prior art keywords
- power transistors
- impurity concentrations
- emitter impurity
- controlled emitter
- controlled
- Prior art date
- 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.)
- Expired
Links
- 239000012535 impurity Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D99/00—Subject matter not provided for in other groups of this subclass
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7302770A | 1970-09-17 | 1970-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3291771A AU3291771A (en) | 1973-03-08 |
| AU461443B2 true AU461443B2 (en) | 1975-05-29 |
Family
ID=22111267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU32917/71A Expired AU461443B2 (en) | 1970-09-17 | 1971-08-31 | Power transistors having controlled emitter impurity concentrations |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3614553A (OSRAM) |
| JP (1) | JPS5128472B1 (OSRAM) |
| AU (1) | AU461443B2 (OSRAM) |
| BE (1) | BE772710A (OSRAM) |
| CA (1) | CA922423A (OSRAM) |
| DE (1) | DE2143028B2 (OSRAM) |
| FR (1) | FR2106574B1 (OSRAM) |
| GB (1) | GB1316699A (OSRAM) |
| NL (1) | NL7112750A (OSRAM) |
| SE (1) | SE361980B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296336A (en) * | 1979-01-22 | 1981-10-20 | General Semiconductor Co., Inc. | Switching circuit and method for avoiding secondary breakdown |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3192082A (en) * | 1962-10-23 | 1965-06-29 | Hitachi Ltd | Process for the production of npn or pnp junction |
| US3458367A (en) * | 1964-07-18 | 1969-07-29 | Fujitsu Ltd | Method of manufacture of superhigh frequency transistor |
| US3338758A (en) * | 1964-12-31 | 1967-08-29 | Fairchild Camera Instr Co | Surface gradient protected high breakdown junctions |
| GB1153497A (en) * | 1966-07-25 | 1969-05-29 | Associated Semiconductor Mft | Improvements in and relating to Semiconductor Devices |
| FR1541622A (fr) * | 1966-10-24 | 1968-10-04 | Philips Nv | Transistor |
| US3487301A (en) * | 1968-03-04 | 1969-12-30 | Ibm | Measurement of semiconductor resistivity profiles by measuring voltages,calculating apparent resistivities and applying correction factors |
-
1970
- 1970-09-17 US US73027A patent/US3614553A/en not_active Expired - Lifetime
-
1971
- 1971-08-09 CA CA120157A patent/CA922423A/en not_active Expired
- 1971-08-27 DE DE19712143028 patent/DE2143028B2/de active Pending
- 1971-08-31 AU AU32917/71A patent/AU461443B2/en not_active Expired
- 1971-09-09 GB GB4217471A patent/GB1316699A/en not_active Expired
- 1971-09-10 FR FR7132764A patent/FR2106574B1/fr not_active Expired
- 1971-09-16 JP JP46072104A patent/JPS5128472B1/ja active Pending
- 1971-09-16 SE SE11752/71A patent/SE361980B/xx unknown
- 1971-09-16 BE BE772710A patent/BE772710A/xx unknown
- 1971-09-16 NL NL7112750A patent/NL7112750A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5128472B1 (OSRAM) | 1976-08-19 |
| DE2143028A1 (de) | 1972-03-23 |
| FR2106574B1 (OSRAM) | 1977-08-05 |
| FR2106574A1 (OSRAM) | 1972-05-05 |
| DE2143028B2 (de) | 1976-02-19 |
| NL7112750A (OSRAM) | 1972-03-21 |
| CA922423A (en) | 1973-03-06 |
| SE361980B (OSRAM) | 1973-11-19 |
| BE772710A (fr) | 1972-01-17 |
| US3614553A (en) | 1971-10-19 |
| GB1316699A (en) | 1973-05-09 |
| AU3291771A (en) | 1973-03-08 |
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