GB853421A - Improvements in or relating to transistors - Google Patents
Improvements in or relating to transistorsInfo
- Publication number
- GB853421A GB853421A GB16874/58A GB1687458A GB853421A GB 853421 A GB853421 A GB 853421A GB 16874/58 A GB16874/58 A GB 16874/58A GB 1687458 A GB1687458 A GB 1687458A GB 853421 A GB853421 A GB 853421A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- etching
- plating
- section
- similar
- 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
- 238000005530 etching Methods 0.000 abstract 6
- 238000007747 plating Methods 0.000 abstract 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 3
- 239000001117 sulphuric acid Substances 0.000 abstract 3
- 235000011149 sulphuric acid Nutrition 0.000 abstract 3
- 238000000866 electrolytic etching Methods 0.000 abstract 2
- 229910052732 germanium Inorganic materials 0.000 abstract 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 abstract 2
- XGCKLPDYTQRDTR-UHFFFAOYSA-H indium(iii) sulfate Chemical compound [In+3].[In+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O XGCKLPDYTQRDTR-UHFFFAOYSA-H 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000009713 electroplating Methods 0.000 abstract 1
- 230000005669 field effect Effects 0.000 abstract 1
- 229910052738 indium Inorganic materials 0.000 abstract 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 239000002966 varnish Substances 0.000 abstract 1
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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1177006T | 1957-11-06 | ||
| FR1185824T | 1957-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB853421A true GB853421A (en) | 1960-11-09 |
Family
ID=33454521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16874/58A Expired GB853421A (en) | 1957-11-06 | 1958-05-27 | Improvements in or relating to transistors |
Country Status (3)
-
0
- NL NL228124D patent/NL228124A/xx unknown
- NL NL98057D patent/NL98057C/xx active
-
1958
- 1958-05-24 CH CH358868D patent/CH358868A/fr unknown
- 1958-05-27 GB GB16874/58A patent/GB853421A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL98057C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| NL228124A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| CH358868A (fr) | 1961-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB694029A (en) | Improvements in semiconductive translating devices and in methods of making them | |
| US2767137A (en) | Method for electrolytic etching | |
| GB694022A (en) | Process for the production of germanium elements for use in the electrical arts | |
| Beckey et al. | Comparison of tips, thin wires and sharp metal edges as emitters for field ionization mass spectrometry | |
| GB883603A (en) | Improvements in or relating to the surface treatment of silicon carbide | |
| US2939057A (en) | Unipolar field-effect transistors | |
| US2844531A (en) | Method of producing cavities in semiconductive surfaces | |
| GB853421A (en) | Improvements in or relating to transistors | |
| GB786281A (en) | Improvements in or relating to methods of manufacturing semiconductor systems | |
| GB625990A (en) | Improvements in or relating to electroplating | |
| US2953507A (en) | Method for electrolytic thickness reduction of metal wires | |
| GB912767A (en) | Improvements in the process of electrophoretically coating a selected portion of an electrically conducting member | |
| Briere | Electrical conduction in purified polar liquids | |
| US2823175A (en) | Semiconductive devices | |
| US2725353A (en) | Electropolishing metallic articles | |
| SU133864A1 (ru) | Способ получени ионизированной металлической воды | |
| Feancis et al. | Cyclic phenomena observed in electropolishing of silver | |
| US3196094A (en) | Method of automatically etching an esaki diode | |
| GB420802A (en) | Improved device for the production or amplification of ultra short waves | |
| DE1071840B (de) | Verfahren zur Herstellung von Elektroden an Halbleiterkörpern von Halbleiteranordnungen | |
| DE1122635B (de) | Verfahren zur galvanoplastischen Herstellung von Kontaktierungen auf Halbleiterkoerpern | |
| GB807042A (en) | Improvements in and relating to transistors | |
| ES320310A1 (es) | Un metodo para fabricar un tiristor semiconductor | |
| RU2285982C1 (ru) | Способ генерирования электрических колебаний с частотами, близкими к наблюдаемым у биологических объектов | |
| US3153752A (en) | Field-effect tubular transistor |