NL7107805A - - Google Patents
Info
- Publication number
- NL7107805A NL7107805A NL7107805A NL7107805A NL7107805A NL 7107805 A NL7107805 A NL 7107805A NL 7107805 A NL7107805 A NL 7107805A NL 7107805 A NL7107805 A NL 7107805A NL 7107805 A NL7107805 A NL 7107805A
- Authority
- NL
- Netherlands
Links
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
- H01L29/10—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 not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/105—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with vertical doping variation
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/32—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers using masks
-
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
- H01L21/76205—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO in a region being recessed from the surface, e.g. in a recess, groove, tub or trench region
-
- 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
- H01L27/0611—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 integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0617—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 integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type
- H01L27/0623—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 integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type in combination with bipolar transistors
-
- 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
- H01L27/0711—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 bipolar transistors and diodes, or capacitors, or resistors
- H01L27/0716—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 bipolar transistors and diodes, or capacitors, or resistors in combination with vertical bipolar transistors and diodes, or capacitors, or resistors
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Element Separation (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Bipolar Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Local Oxidation Of Silicon (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Priority Applications (23)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7107805.A NL160988C (en) | 1971-06-08 | 1971-06-08 | SEMICONDUCTOR DEVICE WITH A SEMICONDUCTOR BODY CONTAINING AT LEAST ONE FIRST FIELD EFFECT TRANSISTOR WITH INSULATED CONTROL ELECTRODE AND METHOD FOR MANUFACTURE OF THE SEMICONDUCTOR DEVICE. |
JP3838872A JPS5416194B1 (en) | 1971-06-08 | 1972-04-18 | |
CA140,068A CA963172A (en) | 1971-06-08 | 1972-04-18 | Semiconductor device and method of manufacturing the device |
GB1786072A GB1389311A (en) | 1971-06-08 | 1972-04-18 | Semiconductor device manufacture |
DK188272AA DK135819B (en) | 1971-06-08 | 1972-04-18 | Semiconductor device and method of its manufacture. |
NO1346/72A NO134676C (en) | 1971-06-08 | 1972-04-18 | |
IT68209/72A IT958758B (en) | 1971-06-08 | 1972-04-18 | SEMICONDUCTIVE DEVICE AND PROCEDURE FOR ITS FACTORY |
BR2321/72A BR7202321D0 (en) | 1971-06-08 | 1972-04-18 | A SEMICONDUCTOR DEVICE AND DEVICE MANUFACTURING PROCESS |
BE782285A BE782285A (en) | 1971-06-08 | 1972-04-18 | SEMICONDUCTOR DEVICE, AND PROCESS FOR ITS MANUFACTURING |
FR7213556A FR2140383B1 (en) | 1971-06-08 | 1972-04-18 | |
SE7205034A SE371333B (en) | 1971-06-08 | 1972-04-18 | |
ES401854A ES401854A1 (en) | 1971-06-08 | 1972-04-18 | Semiconductor device manufacture |
AT338972A AT351597B (en) | 1971-06-08 | 1972-04-18 | MONOLITHIC SEMICONDUCTOR DEVICE WITH RECESSED INSULATION PATTERN AND FIELD EFFECT TRANSISTOR WITH INSULATED GATE ELECTRODE AND METHOD FOR MAKING SAME |
DE2218680A DE2218680C2 (en) | 1971-06-08 | 1972-04-18 | Semiconductor device and method for its manufacture |
CH570072A CH542519A (en) | 1971-06-08 | 1972-04-18 | Semiconductor device and method of manufacturing the same |
ES408617A ES408617A1 (en) | 1971-06-08 | 1972-11-15 | Semiconductor device manufacture |
IN584/CAL/73A IN139051B (en) | 1971-06-08 | 1973-03-15 | |
US454307A US3921283A (en) | 1971-06-08 | 1974-03-25 | Semiconductor device and method of manufacturing the device |
US05/458,527 US4016594A (en) | 1971-06-08 | 1974-04-08 | Semiconductor device and method of manufacturing the device |
JP51010440A JPS51139277A (en) | 1971-06-08 | 1976-02-04 | Method of producing semiconductor device |
JP51010439A JPS51139276A (en) | 1971-06-08 | 1976-02-04 | Semiconductor device |
JP1043876A JPS5416397B2 (en) | 1971-06-08 | 1976-02-04 | |
JP8223280A JPS568880A (en) | 1971-06-08 | 1980-06-19 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7107805.A NL160988C (en) | 1971-06-08 | 1971-06-08 | SEMICONDUCTOR DEVICE WITH A SEMICONDUCTOR BODY CONTAINING AT LEAST ONE FIRST FIELD EFFECT TRANSISTOR WITH INSULATED CONTROL ELECTRODE AND METHOD FOR MANUFACTURE OF THE SEMICONDUCTOR DEVICE. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7107805A true NL7107805A (en) | 1972-12-12 |
NL160988B NL160988B (en) | 1979-07-16 |
NL160988C NL160988C (en) | 1979-12-17 |
Family
ID=19813322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7107805.A NL160988C (en) | 1971-06-08 | 1971-06-08 | SEMICONDUCTOR DEVICE WITH A SEMICONDUCTOR BODY CONTAINING AT LEAST ONE FIRST FIELD EFFECT TRANSISTOR WITH INSULATED CONTROL ELECTRODE AND METHOD FOR MANUFACTURE OF THE SEMICONDUCTOR DEVICE. |
Country Status (16)
Country | Link |
---|---|
JP (5) | JPS5416194B1 (en) |
AT (1) | AT351597B (en) |
BE (1) | BE782285A (en) |
BR (1) | BR7202321D0 (en) |
CA (1) | CA963172A (en) |
CH (1) | CH542519A (en) |
DE (1) | DE2218680C2 (en) |
DK (1) | DK135819B (en) |
ES (2) | ES401854A1 (en) |
FR (1) | FR2140383B1 (en) |
GB (1) | GB1389311A (en) |
IN (1) | IN139051B (en) |
IT (1) | IT958758B (en) |
NL (1) | NL160988C (en) |
NO (1) | NO134676C (en) |
SE (1) | SE371333B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE31079E (en) | 1976-01-12 | 1982-11-16 | Hitachi, Ltd. | Method for manufacturing complementary insulated gate field effect transistors |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7205000A (en) * | 1972-04-14 | 1973-10-16 | ||
CA1017073A (en) * | 1974-06-03 | 1977-09-06 | Fairchild Camera And Instrument Corporation | Complementary insulated gate field effect transistor structure and process for fabricating the structure |
US3920481A (en) * | 1974-06-03 | 1975-11-18 | Fairchild Camera Instr Co | Process for fabricating insulated gate field effect transistor structure |
US3943542A (en) * | 1974-11-06 | 1976-03-09 | International Business Machines, Corporation | High reliability, low leakage, self-aligned silicon gate FET and method of fabricating same |
US4277882A (en) * | 1978-12-04 | 1981-07-14 | Fairchild Camera And Instrument Corporation | Method of producing a metal-semiconductor field-effect transistor |
JPS58222558A (en) * | 1982-06-18 | 1983-12-24 | Hitachi Ltd | Semiconductor device |
JPS5955052A (en) * | 1982-09-24 | 1984-03-29 | Hitachi Ltd | Semiconductor integrated circuit device and manufacture thereof |
JPS5987923U (en) * | 1982-12-06 | 1984-06-14 | 松下冷機株式会社 | Connection device for synthetic resin products |
US4470191A (en) * | 1982-12-09 | 1984-09-11 | International Business Machines Corporation | Process for making complementary transistors by sequential implantations using oxidation barrier masking layer |
JPS60106890A (en) * | 1983-11-14 | 1985-06-12 | Shin Etsu Chem Co Ltd | Grease composition |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3356858A (en) * | 1963-06-18 | 1967-12-05 | Fairchild Camera Instr Co | Low stand-by power complementary field effect circuitry |
GB1086607A (en) * | 1965-06-03 | 1967-10-11 | Ncr Co | Method of electrically isolating components in solid-state electronic circuits |
US3440500A (en) * | 1966-09-26 | 1969-04-22 | Itt | High frequency field effect transistor |
US3534234A (en) * | 1966-12-15 | 1970-10-13 | Texas Instruments Inc | Modified planar process for making semiconductor devices having ultrafine mesa type geometry |
US3470390A (en) * | 1968-02-02 | 1969-09-30 | Westinghouse Electric Corp | Integrated back-to-back diodes to prevent breakdown of mis gate dielectric |
-
1971
- 1971-06-08 NL NL7107805.A patent/NL160988C/en not_active IP Right Cessation
-
1972
- 1972-04-18 JP JP3838872A patent/JPS5416194B1/ja active Pending
- 1972-04-18 CA CA140,068A patent/CA963172A/en not_active Expired
- 1972-04-18 FR FR7213556A patent/FR2140383B1/fr not_active Expired
- 1972-04-18 NO NO1346/72A patent/NO134676C/no unknown
- 1972-04-18 AT AT338972A patent/AT351597B/en not_active IP Right Cessation
- 1972-04-18 DE DE2218680A patent/DE2218680C2/en not_active Expired
- 1972-04-18 CH CH570072A patent/CH542519A/en not_active IP Right Cessation
- 1972-04-18 ES ES401854A patent/ES401854A1/en not_active Expired
- 1972-04-18 BR BR2321/72A patent/BR7202321D0/en unknown
- 1972-04-18 DK DK188272AA patent/DK135819B/en not_active IP Right Cessation
- 1972-04-18 SE SE7205034A patent/SE371333B/xx unknown
- 1972-04-18 BE BE782285A patent/BE782285A/en not_active IP Right Cessation
- 1972-04-18 GB GB1786072A patent/GB1389311A/en not_active Expired
- 1972-04-18 IT IT68209/72A patent/IT958758B/en active
- 1972-11-15 ES ES408617A patent/ES408617A1/en not_active Expired
-
1973
- 1973-03-15 IN IN584/CAL/73A patent/IN139051B/en unknown
-
1976
- 1976-02-04 JP JP1043876A patent/JPS5416397B2/ja not_active Expired
- 1976-02-04 JP JP51010439A patent/JPS51139276A/en active Granted
- 1976-02-04 JP JP51010440A patent/JPS51139277A/en active Granted
-
1980
- 1980-06-19 JP JP8223280A patent/JPS568880A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE31079E (en) | 1976-01-12 | 1982-11-16 | Hitachi, Ltd. | Method for manufacturing complementary insulated gate field effect transistors |
Also Published As
Publication number | Publication date |
---|---|
JPS51102481A (en) | 1976-09-09 |
NO134676C (en) | 1976-11-24 |
GB1389311A (en) | 1975-04-03 |
JPS51139277A (en) | 1976-12-01 |
FR2140383B1 (en) | 1977-08-19 |
JPS5416194B1 (en) | 1979-06-20 |
CH542519A (en) | 1973-09-30 |
BE782285A (en) | 1972-10-18 |
DK135819B (en) | 1977-06-27 |
JPS5415667B2 (en) | 1979-06-16 |
NL160988B (en) | 1979-07-16 |
ATA338972A (en) | 1979-01-15 |
JPS568880A (en) | 1981-01-29 |
JPS5416397B2 (en) | 1979-06-21 |
ES408617A1 (en) | 1975-10-01 |
CA963172A (en) | 1975-02-18 |
AT351597B (en) | 1979-08-10 |
IT958758B (en) | 1973-10-30 |
JPS5415668B2 (en) | 1979-06-16 |
JPS51139276A (en) | 1976-12-01 |
DE2218680A1 (en) | 1972-12-28 |
DK135819C (en) | 1977-11-28 |
SE371333B (en) | 1974-11-11 |
DE2218680C2 (en) | 1982-04-29 |
NL160988C (en) | 1979-12-17 |
BR7202321D0 (en) | 1973-06-07 |
FR2140383A1 (en) | 1973-01-19 |
ES401854A1 (en) | 1975-10-16 |
NO134676B (en) | 1976-08-16 |
IN139051B (en) | 1976-05-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: PHILIPS |
|
V4 | Discontinued because of reaching the maximum lifetime of a patent |