FR2240531B1 - - Google Patents
Info
- Publication number
- FR2240531B1 FR2240531B1 FR7427930A FR7427930A FR2240531B1 FR 2240531 B1 FR2240531 B1 FR 2240531B1 FR 7427930 A FR7427930 A FR 7427930A FR 7427930 A FR7427930 A FR 7427930A FR 2240531 B1 FR2240531 B1 FR 2240531B1
- Authority
- FR
- France
- 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
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
- H01L29/02—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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using FET type devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/24—Frequency-independent attenuators
- H03H11/245—Frequency-independent attenuators using field-effect transistor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9024073A JPS563675B2 (fr) | 1973-08-11 | 1973-08-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2240531A1 FR2240531A1 (fr) | 1975-03-07 |
FR2240531B1 true FR2240531B1 (fr) | 1979-08-03 |
Family
ID=13992957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7427930A Expired FR2240531B1 (fr) | 1973-08-11 | 1974-08-12 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS563675B2 (fr) |
CA (1) | CA1016665A (fr) |
DE (1) | DE2438693A1 (fr) |
FR (1) | FR2240531B1 (fr) |
GB (1) | GB1481724A (fr) |
IT (1) | IT1019875B (fr) |
NL (1) | NL7410799A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5230183A (en) * | 1975-09-02 | 1977-03-07 | Matsushita Electric Ind Co Ltd | Mos semiconductor device and process for producing it |
GB1546672A (en) * | 1975-07-03 | 1979-05-31 | Sony Corp | Signal compression and expansion circuits |
NL7606483A (nl) * | 1976-06-16 | 1977-12-20 | Philips Nv | Inrichting voor het mengen van signalen. |
JPS5396768A (en) * | 1977-02-04 | 1978-08-24 | Nippon Telegr & Teleph Corp <Ntt> | High resistance gate mis semiconductor |
-
1973
- 1973-08-11 JP JP9024073A patent/JPS563675B2/ja not_active Expired
-
1974
- 1974-08-08 GB GB35035/74A patent/GB1481724A/en not_active Expired
- 1974-08-09 CA CA206,672A patent/CA1016665A/en not_active Expired
- 1974-08-09 IT IT26229/74A patent/IT1019875B/it active
- 1974-08-12 DE DE2438693A patent/DE2438693A1/de not_active Withdrawn
- 1974-08-12 FR FR7427930A patent/FR2240531B1/fr not_active Expired
- 1974-08-12 NL NL7410799A patent/NL7410799A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2438693A1 (de) | 1975-02-20 |
GB1481724A (en) | 1977-08-03 |
CA1016665A (en) | 1977-08-30 |
JPS5039878A (fr) | 1975-04-12 |
FR2240531A1 (fr) | 1975-03-07 |
NL7410799A (nl) | 1975-02-13 |
JPS563675B2 (fr) | 1981-01-26 |
IT1019875B (it) | 1977-11-30 |