GB864621A - A method of electrolytically etching the surface of an alloy-type germanium junctiontransistor - Google Patents
A method of electrolytically etching the surface of an alloy-type germanium junctiontransistorInfo
- Publication number
- GB864621A GB864621A GB27341/57A GB2734157A GB864621A GB 864621 A GB864621 A GB 864621A GB 27341/57 A GB27341/57 A GB 27341/57A GB 2734157 A GB2734157 A GB 2734157A GB 864621 A GB864621 A GB 864621A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lead
- transistor
- germanium
- alloy
- aug
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/12—Etching of semiconducting materials
-
- H10P50/613—
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Weting (AREA)
- ing And Chemical Polishing (AREA)
- Bipolar Transistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2257556 | 1956-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB864621A true GB864621A (en) | 1961-04-06 |
Family
ID=12086654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB27341/57A Expired GB864621A (en) | 1956-08-31 | 1957-08-30 | A method of electrolytically etching the surface of an alloy-type germanium junctiontransistor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2890159A (cg-RX-API-DMAC10.html) |
| DE (1) | DE1194064B (cg-RX-API-DMAC10.html) |
| GB (1) | GB864621A (cg-RX-API-DMAC10.html) |
| NL (2) | NL220119A (cg-RX-API-DMAC10.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL110109C (cg-RX-API-DMAC10.html) * | 1956-08-31 | |||
| US3170844A (en) * | 1960-09-19 | 1965-02-23 | Nicoll David | Control rod drive mechanism |
| US3143448A (en) * | 1962-02-21 | 1964-08-04 | Mette Herbert | Photomagnetoelectric cell and method |
| US3505132A (en) * | 1967-11-16 | 1970-04-07 | Rca Corp | Method of etching semiconductive devices having lead-containing elements |
| JPS51149784A (en) * | 1975-06-17 | 1976-12-22 | Matsushita Electric Ind Co Ltd | Solid state light emission device |
| US4482445A (en) * | 1982-02-22 | 1984-11-13 | The Boeing Company | Methods and apparatus for electrochemically deburring perforate metallic clad dielectric laminates |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2783197A (en) * | 1952-01-25 | 1957-02-26 | Gen Electric | Method of making broad area semiconductor devices |
| DE869718C (de) * | 1951-05-06 | 1953-03-05 | Licentia Gmbh | Verfahren zum elektrolytischen AEtzen und Polieren von Germaniumkristallen |
| BE528756A (cg-RX-API-DMAC10.html) * | 1953-05-11 | |||
| BE532590A (cg-RX-API-DMAC10.html) * | 1953-10-16 | 1900-01-01 | ||
| US2802159A (en) * | 1953-10-20 | 1957-08-06 | Hughes Aircraft Co | Junction-type semiconductor devices |
-
0
- NL NL111503D patent/NL111503C/xx active
- NL NL220119D patent/NL220119A/xx unknown
-
1957
- 1957-08-14 US US678131A patent/US2890159A/en not_active Expired - Lifetime
- 1957-08-28 DE DET14062A patent/DE1194064B/de active Pending
- 1957-08-30 GB GB27341/57A patent/GB864621A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2890159A (en) | 1959-06-09 |
| NL111503C (cg-RX-API-DMAC10.html) | |
| NL220119A (cg-RX-API-DMAC10.html) | |
| DE1194064B (de) | 1965-06-03 |
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