DE2661098C2 - - Google Patents
Info
- Publication number
- DE2661098C2 DE2661098C2 DE2661098A DE2661098A DE2661098C2 DE 2661098 C2 DE2661098 C2 DE 2661098C2 DE 2661098 A DE2661098 A DE 2661098A DE 2661098 A DE2661098 A DE 2661098A DE 2661098 C2 DE2661098 C2 DE 2661098C2
- Authority
- DE
- Germany
- Prior art keywords
- layer
- source
- oxide layer
- semiconductor layer
- regions
- 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
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 62
- 238000009792 diffusion process Methods 0.000 claims description 52
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 28
- 239000004065 semiconductor Substances 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000001465 metallisation Methods 0.000 claims description 8
- 239000002019 doping agent Substances 0.000 claims description 6
- 238000005468 ion implantation Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims 1
- 230000000873 masking effect Effects 0.000 description 58
- 230000005669 field effect Effects 0.000 description 27
- 238000005530 etching Methods 0.000 description 18
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823814—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
- H01L27/0927—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors comprising a P-well only in the substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
-
- 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
- Y10S148/07—Guard rings and cmos
-
- 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
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/981—Utilizing varying dielectric thickness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Element Separation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/575,655 US3983620A (en) | 1975-05-08 | 1975-05-08 | Self-aligned CMOS process for bulk silicon and insulating substrate device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2661098C2 true DE2661098C2 (US06534493-20030318-C00288.png) | 1989-07-06 |
Family
ID=24301188
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2661098A Expired DE2661098C2 (US06534493-20030318-C00288.png) | 1975-05-08 | 1976-05-07 | |
DE2661099A Expired DE2661099C2 (US06534493-20030318-C00288.png) | 1975-05-08 | 1976-05-07 | |
DE19762620155 Granted DE2620155A1 (de) | 1975-05-08 | 1976-05-07 | Verfahren zur herstellung eines silizium-halbleiterbausteins in cmos- technik |
DE2661097A Expired DE2661097C2 (US06534493-20030318-C00288.png) | 1975-05-08 | 1976-05-07 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2661099A Expired DE2661099C2 (US06534493-20030318-C00288.png) | 1975-05-08 | 1976-05-07 | |
DE19762620155 Granted DE2620155A1 (de) | 1975-05-08 | 1976-05-07 | Verfahren zur herstellung eines silizium-halbleiterbausteins in cmos- technik |
DE2661097A Expired DE2661097C2 (US06534493-20030318-C00288.png) | 1975-05-08 | 1976-05-07 |
Country Status (6)
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4011105A (en) * | 1975-09-15 | 1977-03-08 | Mos Technology, Inc. | Field inversion control for n-channel device integrated circuits |
JPS5286083A (en) * | 1976-01-12 | 1977-07-16 | Hitachi Ltd | Production of complimentary isolation gate field effect transistor |
US4061530A (en) * | 1976-07-19 | 1977-12-06 | Fairchild Camera And Instrument Corporation | Process for producing successive stages of a charge coupled device |
US4135955A (en) * | 1977-09-21 | 1979-01-23 | Harris Corporation | Process for fabricating high voltage cmos with self-aligned guard rings utilizing selective diffusion and local oxidation |
US4313768A (en) * | 1978-04-06 | 1982-02-02 | Harris Corporation | Method of fabricating improved radiation hardened self-aligned CMOS having Si doped Al field gate |
US4402002A (en) * | 1978-04-06 | 1983-08-30 | Harris Corporation | Radiation hardened-self aligned CMOS and method of fabrication |
JPS5529116A (en) * | 1978-08-23 | 1980-03-01 | Hitachi Ltd | Manufacture of complementary misic |
US4223334A (en) * | 1978-08-29 | 1980-09-16 | Harris Corporation | High voltage CMOS with local oxidation for self-aligned guard rings and process of fabrication |
US4244752A (en) * | 1979-03-06 | 1981-01-13 | Burroughs Corporation | Single mask method of fabricating complementary integrated circuits |
US4300061A (en) * | 1979-03-15 | 1981-11-10 | National Semiconductor Corporation | CMOS Voltage regulator circuit |
CA1151295A (en) * | 1979-07-31 | 1983-08-02 | Alan Aitken | Dual resistivity mos devices and method of fabrication |
US4306916A (en) * | 1979-09-20 | 1981-12-22 | American Microsystems, Inc. | CMOS P-Well selective implant method |
DE3049672A1 (de) * | 1979-09-20 | 1982-02-25 | American Micro Syst | Cmos p-well selective implant method,and a device made therefrom |
US4320409A (en) * | 1980-05-01 | 1982-03-16 | Bell Telephone Laboratories, Incorporated | Complementary field-effect transistor integrated circuit device |
US4346512A (en) * | 1980-05-05 | 1982-08-31 | Raytheon Company | Integrated circuit manufacturing method |
US4373253A (en) * | 1981-04-13 | 1983-02-15 | National Semiconductor Corporation | Integrated CMOS process with JFET |
JPS5816565A (ja) * | 1981-07-22 | 1983-01-31 | Hitachi Ltd | 絶縁ゲ−ト形電界効果トランジスタ |
US4411058A (en) * | 1981-08-31 | 1983-10-25 | Hughes Aircraft Company | Process for fabricating CMOS devices with self-aligned channel stops |
US4416050A (en) * | 1981-09-24 | 1983-11-22 | Rockwell International Corporation | Method of fabrication of dielectrically isolated CMOS devices |
US4613885A (en) * | 1982-02-01 | 1986-09-23 | Texas Instruments Incorporated | High-voltage CMOS process |
US4442591A (en) * | 1982-02-01 | 1984-04-17 | Texas Instruments Incorporated | High-voltage CMOS process |
US4435895A (en) * | 1982-04-05 | 1984-03-13 | Bell Telephone Laboratories, Incorporated | Process for forming complementary integrated circuit devices |
IT1210872B (it) * | 1982-04-08 | 1989-09-29 | Ates Componenti Elettron | Processo per la fabbricazione di transistori mos complementari in circuiti integrati ad alta densita' per tensioni elevate. |
GB2128021A (en) * | 1982-09-13 | 1984-04-18 | Standard Microsyst Smc | CMOS structure including deep region and process for fabrication |
US4574467A (en) * | 1983-08-31 | 1986-03-11 | Solid State Scientific, Inc. | N- well CMOS process on a P substrate with double field guard rings and a PMOS buried channel |
EP0141571A3 (en) * | 1983-10-20 | 1987-01-07 | Zytrex Corporation | High performance two layer metal cmos process using a reduced number of masks |
US4567640A (en) * | 1984-05-22 | 1986-02-04 | Data General Corporation | Method of fabricating high density CMOS devices |
US4931850A (en) * | 1985-07-05 | 1990-06-05 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device including a channel stop region |
US4713329A (en) * | 1985-07-22 | 1987-12-15 | Data General Corporation | Well mask for CMOS process |
US4725875A (en) * | 1985-10-01 | 1988-02-16 | General Electric Co. | Memory cell with diodes providing radiation hardness |
KR900005354B1 (ko) * | 1987-12-31 | 1990-07-27 | 삼성전자 주식회사 | Hct 반도체 장치의 제조방법 |
US7217977B2 (en) | 2004-04-19 | 2007-05-15 | Hrl Laboratories, Llc | Covert transformation of transistor properties as a circuit protection method |
US6815816B1 (en) | 2000-10-25 | 2004-11-09 | Hrl Laboratories, Llc | Implanted hidden interconnections in a semiconductor device for preventing reverse engineering |
DE10202479A1 (de) * | 2002-01-23 | 2003-08-07 | Infineon Technologies Ag | Integrierte Schaltungsanordnung mit einer Struktur zur Verringerung eines Minoritätsladungsträgerstromes |
FR2839203A1 (fr) * | 2002-04-26 | 2003-10-31 | St Microelectronics Sa | Zone active de circuit integre mos |
US7049667B2 (en) | 2002-09-27 | 2006-05-23 | Hrl Laboratories, Llc | Conductive channel pseudo block process and circuit to inhibit reverse engineering |
US6979606B2 (en) | 2002-11-22 | 2005-12-27 | Hrl Laboratories, Llc | Use of silicon block process step to camouflage a false transistor |
AU2003293540A1 (en) | 2002-12-13 | 2004-07-09 | Raytheon Company | Integrated circuit modification using well implants |
US7242063B1 (en) | 2004-06-29 | 2007-07-10 | Hrl Laboratories, Llc | Symmetric non-intrusive and covert technique to render a transistor permanently non-operable |
US7119381B2 (en) * | 2004-07-30 | 2006-10-10 | Freescale Semiconductor, Inc. | Complementary metal-oxide-semiconductor field effect transistor structure having ion implant in only one of the complementary devices |
US8168487B2 (en) | 2006-09-28 | 2012-05-01 | Hrl Laboratories, Llc | Programmable connection and isolation of active regions in an integrated circuit using ambiguous features to confuse a reverse engineer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3461361A (en) * | 1966-02-24 | 1969-08-12 | Rca Corp | Complementary mos transistor integrated circuits with inversion layer formed by ionic discharge bombardment |
US3921283A (en) * | 1971-06-08 | 1975-11-25 | Philips Corp | Semiconductor device and method of manufacturing the device |
US3750268A (en) * | 1971-09-10 | 1973-08-07 | Motorola Inc | Poly-silicon electrodes for c-igfets |
US3912559A (en) * | 1971-11-25 | 1975-10-14 | Suwa Seikosha Kk | Complementary MIS-type semiconductor devices and methods for manufacturing same |
JPS4859783A (US06534493-20030318-C00288.png) * | 1971-11-25 | 1973-08-22 | ||
JPS504989A (US06534493-20030318-C00288.png) * | 1973-05-16 | 1975-01-20 | ||
US3875656A (en) * | 1973-07-25 | 1975-04-08 | Motorola Inc | Fabrication technique for high density integrated circuits |
-
1975
- 1975-05-08 US US05/575,655 patent/US3983620A/en not_active Expired - Lifetime
-
1976
- 1976-02-24 CA CA246,453A patent/CA1057862A/en not_active Expired
- 1976-05-06 GB GB42667/77A patent/GB1529296A/en not_active Expired
- 1976-05-06 FR FR7613509A patent/FR2310635A1/fr active Granted
- 1976-05-06 GB GB42668/77A patent/GB1529297A/en not_active Expired
- 1976-05-06 GB GB42669/77A patent/GB1529298A/en not_active Expired
- 1976-05-06 GB GB18662/76A patent/GB1529023A/en not_active Expired
- 1976-05-07 DE DE2661098A patent/DE2661098C2/de not_active Expired
- 1976-05-07 DE DE2661099A patent/DE2661099C2/de not_active Expired
- 1976-05-07 DE DE19762620155 patent/DE2620155A1/de active Granted
- 1976-05-07 DE DE2661097A patent/DE2661097C2/de not_active Expired
- 1976-05-08 JP JP51052760A patent/JPS51138174A/ja active Pending
-
1985
- 1985-05-20 JP JP1985074930U patent/JPS61253U/ja active Pending
Non-Patent Citations (3)
Title |
---|
IBM Technical Disclosure Bulletin, Bd. 14, No. 5, Oktober 1971, S. 1568 und 1569 * |
IBM Technical Disclosure Bulletin, Bd. 16, No. 7, Dezember 1973, S. 2294 und 2295 * |
IBM Technical Disclosure Bulletin, Bd. 16, No. 9, Februar 1974, S. 2876 und 2877 * |
Also Published As
Publication number | Publication date |
---|---|
GB1529298A (en) | 1978-10-18 |
US3983620A (en) | 1976-10-05 |
DE2661099C2 (US06534493-20030318-C00288.png) | 1988-10-20 |
JPS51138174A (en) | 1976-11-29 |
CA1057862A (en) | 1979-07-03 |
GB1529297A (en) | 1978-10-18 |
DE2620155C2 (US06534493-20030318-C00288.png) | 1988-05-19 |
DE2620155A1 (de) | 1976-11-18 |
DE2661097C2 (US06534493-20030318-C00288.png) | 1988-05-26 |
JPS61253U (ja) | 1986-01-06 |
GB1529296A (en) | 1978-10-18 |
FR2310635B1 (US06534493-20030318-C00288.png) | 1980-02-15 |
GB1529023A (en) | 1978-10-18 |
FR2310635A1 (fr) | 1976-12-03 |
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