JPS5797682A - Variable capacitance device - Google Patents

Variable capacitance device

Info

Publication number
JPS5797682A
JPS5797682A JP17484880A JP17484880A JPS5797682A JP S5797682 A JPS5797682 A JP S5797682A JP 17484880 A JP17484880 A JP 17484880A JP 17484880 A JP17484880 A JP 17484880A JP S5797682 A JPS5797682 A JP S5797682A
Authority
JP
Japan
Prior art keywords
layer
conductive layers
capacitance
elements
switching elements
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.)
Pending
Application number
JP17484880A
Other languages
English (en)
Inventor
Shoichi Minagawa
Takamasa Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP17484880A priority Critical patent/JPS5797682A/ja
Priority to GB8137178A priority patent/GB2091038B/en
Priority to FR8123018A priority patent/FR2495821B1/fr
Priority to DE19813148968 priority patent/DE3148968A1/de
Publication of JPS5797682A publication Critical patent/JPS5797682A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
    • H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
    • H01L29/92—Capacitors with potential-jump barrier or surface barrier
    • H01L29/93—Variable capacitance diodes, e.g. varactors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
JP17484880A 1980-12-10 1980-12-10 Variable capacitance device Pending JPS5797682A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP17484880A JPS5797682A (en) 1980-12-10 1980-12-10 Variable capacitance device
GB8137178A GB2091038B (en) 1980-12-10 1981-12-09 Step-wise variable capacitor
FR8123018A FR2495821B1 (fr) 1980-12-10 1981-12-09 Condensateur variable
DE19813148968 DE3148968A1 (de) 1980-12-10 1981-12-10 Kondensator mit veraenderbarer kapazitaet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17484880A JPS5797682A (en) 1980-12-10 1980-12-10 Variable capacitance device

Publications (1)

Publication Number Publication Date
JPS5797682A true JPS5797682A (en) 1982-06-17

Family

ID=15985702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17484880A Pending JPS5797682A (en) 1980-12-10 1980-12-10 Variable capacitance device

Country Status (4)

Country Link
JP (1) JPS5797682A (ja)
DE (1) DE3148968A1 (ja)
FR (1) FR2495821B1 (ja)
GB (1) GB2091038B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640892A (en) * 1992-08-20 1997-06-24 Mannesmann Rexroth Gmbh Hydraulic control device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709225A (en) * 1985-12-16 1987-11-24 Crystal Semiconductor Corporation Self-calibration method for capacitors in a monolithic integrated circuit
DE19758345A1 (de) * 1997-12-22 1999-06-24 Inst Halbleiterphysik Gmbh Digital abstimmbare, elektronische Kapazität
WO1999059171A1 (en) * 1998-05-11 1999-11-18 Manvel Zakharian The method of obtaining the adjustable capacitor
JP4498836B2 (ja) * 2004-06-23 2010-07-07 株式会社デンソー 容量素子
US7365959B1 (en) 2004-08-12 2008-04-29 Charles Barry Ward Multi value capacitor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123080A (en) * 1975-04-21 1976-10-27 Hitachi Ltd Variable capacitance element

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1180928A (en) * 1966-04-28 1970-02-11 Plessey Co Ltd Improvements in or relating to Thin Film Circuit Devices.
FR1496638A (fr) * 1966-10-14 1967-09-29 Int Standard Electric Corp Condensateur de haute qualité
CA922393A (en) * 1970-01-14 1973-03-06 J. Roeder Paul Planar capacitor
US4028694A (en) * 1975-06-10 1977-06-07 International Business Machines Corporation A/D and D/A converter using C-2C ladder network
DE2912439A1 (de) * 1979-03-29 1980-10-16 Standard Elektrik Lorenz Ag Integrierter halbleiterschaltkreis mit integrierten speicherkapazitaeten

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123080A (en) * 1975-04-21 1976-10-27 Hitachi Ltd Variable capacitance element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640892A (en) * 1992-08-20 1997-06-24 Mannesmann Rexroth Gmbh Hydraulic control device

Also Published As

Publication number Publication date
DE3148968A1 (de) 1982-07-01
GB2091038A (en) 1982-07-21
FR2495821A1 (fr) 1982-06-11
FR2495821B1 (fr) 1986-05-30
GB2091038B (en) 1985-01-03

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