BE524399A - - Google Patents
Info
- Publication number
- BE524399A BE524399A BE524399DA BE524399A BE 524399 A BE524399 A BE 524399A BE 524399D A BE524399D A BE 524399DA BE 524399 A BE524399 A BE 524399A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Weting (AREA)
- ing And Chemical Polishing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US334972A US2698780A (en) | 1953-02-03 | 1953-02-03 | Method of treating germanium for translating devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE524399A true BE524399A (it) |
Family
ID=23309674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE524399D BE524399A (it) | 1953-02-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2698780A (it) |
| BE (1) | BE524399A (it) |
| DE (1) | DE1008831B (it) |
| FR (1) | FR1087083A (it) |
| GB (1) | GB750640A (it) |
| NL (1) | NL93089C (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3042593A (en) * | 1957-09-23 | 1962-07-03 | Philco Corp | Electrochemical method for cleansing semiconductive devices |
| US2973253A (en) * | 1957-12-09 | 1961-02-28 | Texas Instruments Inc | Etching of semiconductor materials |
| DE1103469B (de) * | 1958-10-21 | 1961-03-30 | Siemens Ag | Verfahren zum AEtzen von Halbleiterkoerpern mit fuer Halbleiteranordnungen geeigneter geometrischer Form |
| US3231436A (en) * | 1962-03-07 | 1966-01-25 | Nippon Electric Co | Method of heat treating semiconductor devices to stabilize current amplification factor characteristic |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR851651A (fr) * | 1938-09-21 | 1940-01-12 | Westinghouse Freins & Signaux | Perfectionnements à la fabrication de dispositifs à conductibilité asymétrique |
| GB592659A (en) * | 1941-07-16 | 1947-09-25 | Gen Electric Co Ltd | Improvements in crystal contacts of which one element is germanium |
| BE471989A (it) * | 1941-07-16 | |||
| US2560594A (en) * | 1948-09-24 | 1951-07-17 | Bell Telephone Labor Inc | Semiconductor translator and method of making it |
| US2619414A (en) * | 1950-05-25 | 1952-11-25 | Bell Telephone Labor Inc | Surface treatment of germanium circuit elements |
-
0
- NL NL93089D patent/NL93089C/xx active
- BE BE524399D patent/BE524399A/xx unknown
-
1953
- 1953-02-03 US US334972A patent/US2698780A/en not_active Expired - Lifetime
- 1953-11-12 FR FR1087083D patent/FR1087083A/fr not_active Expired
- 1953-11-18 DE DEW12608A patent/DE1008831B/de active Pending
-
1954
- 1954-01-27 GB GB2501/54A patent/GB750640A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB750640A (en) | 1956-06-20 |
| DE1008831B (de) | 1957-05-23 |
| US2698780A (en) | 1955-01-04 |
| NL93089C (it) | |
| FR1087083A (fr) | 1955-02-18 |