IT1231913B - Procedimento di fabbricazione di transistori ad alta frequenza. - Google Patents
Procedimento di fabbricazione di transistori ad alta frequenza.Info
- Publication number
- IT1231913B IT1231913B IT8722392A IT2239287A IT1231913B IT 1231913 B IT1231913 B IT 1231913B IT 8722392 A IT8722392 A IT 8722392A IT 2239287 A IT2239287 A IT 2239287A IT 1231913 B IT1231913 B IT 1231913B
- Authority
- IT
- Italy
- Prior art keywords
- high frequency
- manufacturing procedure
- frequency transistors
- transistors
- procedure
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
- H10P76/40—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising inorganic materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
- H10W10/012—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS]
- H10W10/0121—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS] in regions recessed from the surface, e.g. in trenches or grooves
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
- H10W10/012—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS]
- H10W10/0125—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS] comprising introducing electrical impurities in local oxidation regions, e.g. to alter LOCOS oxide growth characteristics
- H10W10/0126—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS] comprising introducing electrical impurities in local oxidation regions, e.g. to alter LOCOS oxide growth characteristics introducing electrical active impurities in local oxidation regions to create channel stoppers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/10—Isolation regions comprising dielectric materials
- H10W10/13—Isolation regions comprising dielectric materials formed using local oxidation of silicon [LOCOS], e.g. sealed interface localised oxidation [SILO] or side-wall mask isolation [SWAMI]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/103—Mask, dual function, e.g. diffusion and oxidation
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8722392A IT1231913B (it) | 1987-10-23 | 1987-10-23 | Procedimento di fabbricazione di transistori ad alta frequenza. |
| DE3854911T DE3854911T2 (de) | 1987-10-23 | 1988-10-11 | Verfahren zum Herstellen von Hochfrequenztransistoren |
| EP88202260A EP0313147B1 (en) | 1987-10-23 | 1988-10-11 | Manufacturing process for high-frequency transistors |
| US07/259,261 US5013672A (en) | 1987-10-23 | 1988-10-18 | Manufacturing process for high-frequency bipolar transistors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8722392A IT1231913B (it) | 1987-10-23 | 1987-10-23 | Procedimento di fabbricazione di transistori ad alta frequenza. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8722392A0 IT8722392A0 (it) | 1987-10-23 |
| IT1231913B true IT1231913B (it) | 1992-01-15 |
Family
ID=11195666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT8722392A IT1231913B (it) | 1987-10-23 | 1987-10-23 | Procedimento di fabbricazione di transistori ad alta frequenza. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5013672A (it) |
| EP (1) | EP0313147B1 (it) |
| DE (1) | DE3854911T2 (it) |
| IT (1) | IT1231913B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5244821A (en) * | 1991-06-07 | 1993-09-14 | At&T Bell Laboratories | Bipolar fabrication method |
| US5128272A (en) * | 1991-06-18 | 1992-07-07 | National Semiconductor Corporation | Self-aligned planar monolithic integrated circuit vertical transistor process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1492447A (en) * | 1974-07-25 | 1977-11-16 | Siemens Ag | Semiconductor devices |
| DE2507366C3 (de) * | 1975-02-20 | 1980-06-26 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Unterdrückung parasitärer Schaltungselemente |
| DE2605641C3 (de) * | 1976-02-12 | 1979-12-20 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Hochfrequenztransistor und Verfahren zu seiner Herstellung |
| US4143455A (en) * | 1976-03-11 | 1979-03-13 | Siemens Aktiengesellschaft | Method of producing a semiconductor component |
| US4199380A (en) * | 1978-11-13 | 1980-04-22 | Motorola, Inc. | Integrated circuit method |
| US4498227A (en) * | 1983-07-05 | 1985-02-12 | Fairchild Camera & Instrument Corporation | Wafer fabrication by implanting through protective layer |
-
1987
- 1987-10-23 IT IT8722392A patent/IT1231913B/it active
-
1988
- 1988-10-11 DE DE3854911T patent/DE3854911T2/de not_active Expired - Fee Related
- 1988-10-11 EP EP88202260A patent/EP0313147B1/en not_active Expired - Lifetime
- 1988-10-18 US US07/259,261 patent/US5013672A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5013672A (en) | 1991-05-07 |
| DE3854911T2 (de) | 1996-09-05 |
| IT8722392A0 (it) | 1987-10-23 |
| EP0313147B1 (en) | 1996-01-17 |
| EP0313147A1 (en) | 1989-04-26 |
| DE3854911D1 (de) | 1996-02-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971030 |