DE2311915B2 - Verfahren zur herstellung von elektrisch leitenden verbindungen zwischen source- und drain-bereichen in integrierten mos-schaltkreisen - Google Patents
Verfahren zur herstellung von elektrisch leitenden verbindungen zwischen source- und drain-bereichen in integrierten mos-schaltkreisenInfo
- Publication number
- DE2311915B2 DE2311915B2 DE19732311915 DE2311915A DE2311915B2 DE 2311915 B2 DE2311915 B2 DE 2311915B2 DE 19732311915 DE19732311915 DE 19732311915 DE 2311915 A DE2311915 A DE 2311915A DE 2311915 B2 DE2311915 B2 DE 2311915B2
- Authority
- DE
- Germany
- Prior art keywords
- source
- electrically conductive
- gate
- region
- diffusion
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 24
- 229910052710 silicon Inorganic materials 0.000 claims description 24
- 239000010703 silicon Substances 0.000 claims description 24
- 238000009792 diffusion process Methods 0.000 claims description 17
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims description 11
- 239000011733 molybdenum Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 230000005669 field effect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/535—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including internal interconnections, e.g. cross-under constructions
-
- 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
-
- 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
- H01L27/06—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 a plurality of individual components in a non-repetitive configuration
- H01L27/07—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 a plurality of individual components in a non-repetitive configuration the components having an active region in common
- H01L27/0705—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 a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type
- H01L27/0727—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 a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type in combination with diodes, or capacitors or resistors
- H01L27/0733—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 a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type in combination with diodes, or capacitors or resistors in combination with capacitors only
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- Y10S148/02—Contacts, special
-
- 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
- Y10S148/053—Field effect transistors fets
-
- 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
- Y10S148/122—Polycrystalline
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47024912A JPS5128515B2 (US07754267-20100713-C00021.png) | 1972-03-10 | 1972-03-10 | |
JP47026255A JPS4894376A (US07754267-20100713-C00021.png) | 1972-03-14 | 1972-03-14 | |
JP47026256A JPS5232557B2 (US07754267-20100713-C00021.png) | 1972-03-14 | 1972-03-14 | |
JP47027785A JPS5143950B2 (US07754267-20100713-C00021.png) | 1972-03-17 | 1972-03-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2311915A1 DE2311915A1 (de) | 1973-09-13 |
DE2311915B2 true DE2311915B2 (de) | 1976-10-21 |
Family
ID=27458216
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2311913A Pending DE2311913A1 (de) | 1972-03-10 | 1973-03-09 | Verfahren zur herstellung von matrixkreisen mit parallelgattern |
DE19732311915 Ceased DE2311915B2 (de) | 1972-03-10 | 1973-03-09 | Verfahren zur herstellung von elektrisch leitenden verbindungen zwischen source- und drain-bereichen in integrierten mos-schaltkreisen |
DE2312414A Expired DE2312414C2 (de) | 1972-03-10 | 1973-03-13 | Verfahren zur Herstellung von integrierten MOSFET-Schaltkreisen |
DE19732312413 Ceased DE2312413B2 (de) | 1972-03-10 | 1973-03-13 | Verfahren zur herstellung eines matrixschaltkreises |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2311913A Pending DE2311913A1 (de) | 1972-03-10 | 1973-03-09 | Verfahren zur herstellung von matrixkreisen mit parallelgattern |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2312414A Expired DE2312414C2 (de) | 1972-03-10 | 1973-03-13 | Verfahren zur Herstellung von integrierten MOSFET-Schaltkreisen |
DE19732312413 Ceased DE2312413B2 (de) | 1972-03-10 | 1973-03-13 | Verfahren zur herstellung eines matrixschaltkreises |
Country Status (5)
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4145701A (en) * | 1974-09-11 | 1979-03-20 | Hitachi, Ltd. | Semiconductor device |
JPS5713079B2 (US07754267-20100713-C00021.png) * | 1975-02-10 | 1982-03-15 | ||
US4028694A (en) * | 1975-06-10 | 1977-06-07 | International Business Machines Corporation | A/D and D/A converter using C-2C ladder network |
US4183093A (en) * | 1975-09-04 | 1980-01-08 | Hitachi, Ltd. | Semiconductor integrated circuit device composed of insulated gate field-effect transistor |
JPS5851427B2 (ja) * | 1975-09-04 | 1983-11-16 | 株式会社日立製作所 | 絶縁ゲ−ト型リ−ド・オンリ−・メモリの製造方法 |
US4059826A (en) * | 1975-12-29 | 1977-11-22 | Texas Instruments Incorporated | Semiconductor memory array with field effect transistors programmable by alteration of threshold voltage |
US4240092A (en) * | 1976-09-13 | 1980-12-16 | Texas Instruments Incorporated | Random access memory cell with different capacitor and transistor oxide thickness |
JPS598065B2 (ja) * | 1976-01-30 | 1984-02-22 | 松下電子工業株式会社 | Mos集積回路の製造方法 |
JPS5333076A (en) * | 1976-09-09 | 1978-03-28 | Toshiba Corp | Production of mos type integrated circuit |
US5168075A (en) * | 1976-09-13 | 1992-12-01 | Texas Instruments Incorporated | Random access memory cell with implanted capacitor region |
US5434438A (en) * | 1976-09-13 | 1995-07-18 | Texas Instruments Inc. | Random access memory cell with a capacitor |
US4142176A (en) * | 1976-09-27 | 1979-02-27 | Mostek Corporation | Series read only memory structure |
NL185376C (nl) * | 1976-10-25 | 1990-03-16 | Philips Nv | Werkwijze ter vervaardiging van een halfgeleiderinrichting. |
US4600933A (en) * | 1976-12-14 | 1986-07-15 | Standard Microsystems Corporation | Semiconductor integrated circuit structure with selectively modified insulation layer |
US4081896A (en) * | 1977-04-11 | 1978-04-04 | Rca Corporation | Method of making a substrate contact for an integrated circuit |
DE2726014A1 (de) * | 1977-06-08 | 1978-12-21 | Siemens Ag | Dynamisches speicherelement |
US4142199A (en) * | 1977-06-24 | 1979-02-27 | International Business Machines Corporation | Bucket brigade device and process |
US4171229A (en) * | 1977-06-24 | 1979-10-16 | International Business Machines Corporation | Improved process to form bucket brigade device |
US4195354A (en) * | 1977-08-16 | 1980-03-25 | Dubinin Viktor P | Semiconductor matrix for integrated read-only storage |
US4317275A (en) * | 1977-10-11 | 1982-03-02 | Mostek Corporation | Method for making a depletion controlled switch |
US4230504B1 (en) * | 1978-04-27 | 1997-03-04 | Texas Instruments Inc | Method of making implant programmable N-channel rom |
US4290184A (en) * | 1978-03-20 | 1981-09-22 | Texas Instruments Incorporated | Method of making post-metal programmable MOS read only memory |
US4591891A (en) * | 1978-06-05 | 1986-05-27 | Texas Instruments Incorporated | Post-metal electron beam programmable MOS read only memory |
US4268950A (en) * | 1978-06-05 | 1981-05-26 | Texas Instruments Incorporated | Post-metal ion implant programmable MOS read only memory |
US4208727A (en) * | 1978-06-15 | 1980-06-17 | Texas Instruments Incorporated | Semiconductor read only memory using MOS diodes |
US4342100A (en) * | 1979-01-08 | 1982-07-27 | Texas Instruments Incorporated | Implant programmable metal gate MOS read only memory |
CH631048B (fr) * | 1979-07-13 | Ebauches Electroniques Sa | Convertisseur de tension alternative en tension continue. | |
US4280271A (en) * | 1979-10-11 | 1981-07-28 | Texas Instruments Incorporated | Three level interconnect process for manufacture of integrated circuit devices |
US4319396A (en) * | 1979-12-28 | 1982-03-16 | Bell Telephone Laboratories, Incorporated | Method for fabricating IGFET integrated circuits |
US4423432A (en) * | 1980-01-28 | 1983-12-27 | Rca Corporation | Apparatus for decoding multiple input lines |
US4608751A (en) * | 1980-04-07 | 1986-09-02 | Texas Instruments Incorporated | Method of making dynamic memory array |
US4476478A (en) * | 1980-04-24 | 1984-10-09 | Tokyo Shibaura Denki Kabushiki Kaisha | Semiconductor read only memory and method of making the same |
US4410904A (en) * | 1980-10-20 | 1983-10-18 | American Microsystems, Inc. | Notched cell ROM |
JPS57109190A (en) * | 1980-12-26 | 1982-07-07 | Fujitsu Ltd | Semiconductor storage device and its manufacture |
GB2102623B (en) * | 1981-06-30 | 1985-04-11 | Tokyo Shibaura Electric Co | Method of manufacturing a semiconductors memory device |
US4387503A (en) * | 1981-08-13 | 1983-06-14 | Mostek Corporation | Method for programming circuit elements in integrated circuits |
JPS58188155A (ja) * | 1982-04-27 | 1983-11-02 | Seiko Epson Corp | 2層構造rom集積回路 |
JPS60179998A (ja) * | 1984-02-28 | 1985-09-13 | Fujitsu Ltd | 電圧検出回路 |
IT1227821B (it) * | 1988-12-29 | 1991-05-07 | Sgs Thomson Microelectronics | Struttura di catena di contatti per il controllo della difettosita' di circuiti di memorie eprom |
DE60334405D1 (de) | 2002-12-27 | 2010-11-11 | Semiconductor Energy Lab | Halbleiterbauelement und dieses verwendendeanzeigeeinrichtung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3408543A (en) * | 1964-06-01 | 1968-10-29 | Hitachi Ltd | Combination capacitor and fieldeffect transistor |
US3443176A (en) * | 1966-03-31 | 1969-05-06 | Ibm | Low resistivity semiconductor underpass connector and fabrication method therefor |
US3541543A (en) * | 1966-07-25 | 1970-11-17 | Texas Instruments Inc | Binary decoder |
US3519504A (en) * | 1967-01-13 | 1970-07-07 | Ibm | Method for etching silicon nitride films with sharp edge definition |
US3387286A (en) * | 1967-07-14 | 1968-06-04 | Ibm | Field-effect transistor memory |
FR2014382B1 (US07754267-20100713-C00021.png) * | 1968-06-28 | 1974-03-15 | Motorola Inc | |
DE1811136A1 (de) * | 1968-11-27 | 1970-11-05 | Telefunken Patent | Verfahren zum Herstellen eines Planartransistors |
US3591836A (en) * | 1969-03-04 | 1971-07-06 | North American Rockwell | Field effect conditionally switched capacitor |
US3604107A (en) * | 1969-04-17 | 1971-09-14 | Collins Radio Co | Doped oxide field effect transistors |
NL161924C (nl) * | 1969-07-03 | 1980-03-17 | Philips Nv | Veldeffecttransistor met ten minste twee geisoleerde stuurelektroden. |
US3739238A (en) * | 1969-09-24 | 1973-06-12 | Tokyo Shibaura Electric Co | Semiconductor device with a field effect transistor |
US3608189A (en) * | 1970-01-07 | 1971-09-28 | Gen Electric | Method of making complementary field-effect transistors by single step diffusion |
DE2007627B2 (de) * | 1970-02-19 | 1973-03-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zum herstellen einer integrierten halbleiterschaltung |
NL165869C (nl) * | 1970-09-25 | 1981-05-15 | Philips Nv | Analoog schuifregister. |
DE2051503A1 (de) | 1970-10-20 | 1972-05-04 | Siemens Ag | Halbleiterbauelement, insbesondere als Widerstand für Halbleiterspeicher |
US3740732A (en) * | 1971-08-12 | 1973-06-19 | Texas Instruments Inc | Dynamic data storage cell |
US3747200A (en) * | 1972-03-31 | 1973-07-24 | Motorola Inc | Integrated circuit fabrication method |
-
1973
- 1973-03-06 GB GB1074073A patent/GB1357515A/en not_active Expired
- 1973-03-08 FR FR7308327A patent/FR2175819B1/fr not_active Expired
- 1973-03-09 DE DE2311913A patent/DE2311913A1/de active Pending
- 1973-03-09 DE DE19732311915 patent/DE2311915B2/de not_active Ceased
- 1973-03-12 US US340254A patent/US3865650A/en not_active Expired - Lifetime
- 1973-03-12 US US340255A patent/US3865651A/en not_active Expired - Lifetime
- 1973-03-13 FR FR7308860A patent/FR2175960B1/fr not_active Expired
- 1973-03-13 DE DE2312414A patent/DE2312414C2/de not_active Expired
- 1973-03-13 DE DE19732312413 patent/DE2312413B2/de not_active Ceased
- 1973-03-13 CA CA165,982A patent/CA1009379A/en not_active Expired
- 1973-03-13 FR FR7308863A patent/FR2175961B1/fr not_active Expired
- 1973-03-13 GB GB1190173A patent/GB1375355A/en not_active Expired
- 1973-03-13 GB GB1190273A patent/GB1430301A/en not_active Expired
- 1973-03-14 GB GB1234073A patent/GB1357516A/en not_active Expired
- 1973-03-15 US US341493A patent/US3874955A/en not_active Expired - Lifetime
- 1973-03-16 CA CA166,294A patent/CA978661A/en not_active Expired
- 1973-03-16 FR FR7309581A patent/FR2176825B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA978661A (en) | 1975-11-25 |
DE2312414C2 (de) | 1981-11-12 |
DE2312413A1 (de) | 1973-09-27 |
FR2175819A1 (US07754267-20100713-C00021.png) | 1973-10-26 |
CA1009379A (en) | 1977-04-26 |
FR2176825B1 (US07754267-20100713-C00021.png) | 1976-09-10 |
US3865650A (en) | 1975-02-11 |
GB1430301A (en) | 1976-03-31 |
GB1357516A (en) | 1974-06-26 |
US3874955A (en) | 1975-04-01 |
FR2175961B1 (US07754267-20100713-C00021.png) | 1977-08-12 |
DE2311915A1 (de) | 1973-09-13 |
DE2311913A1 (de) | 1973-09-20 |
FR2175960B1 (US07754267-20100713-C00021.png) | 1977-08-12 |
US3865651A (en) | 1975-02-11 |
DE2312414A1 (de) | 1973-09-27 |
GB1375355A (US07754267-20100713-C00021.png) | 1974-11-27 |
FR2175819B1 (US07754267-20100713-C00021.png) | 1977-08-19 |
FR2175961A1 (US07754267-20100713-C00021.png) | 1973-10-26 |
FR2176825A1 (US07754267-20100713-C00021.png) | 1973-11-02 |
GB1357515A (en) | 1974-06-26 |
DE2312413B2 (de) | 1976-03-18 |
FR2175960A1 (US07754267-20100713-C00021.png) | 1973-10-26 |
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