IT946699B - PROCEDURE FOR MANUFACTURING A FIXED MEMORY - Google Patents
PROCEDURE FOR MANUFACTURING A FIXED MEMORYInfo
- Publication number
- IT946699B IT946699B IT19534/72A IT1953472A IT946699B IT 946699 B IT946699 B IT 946699B IT 19534/72 A IT19534/72 A IT 19534/72A IT 1953472 A IT1953472 A IT 1953472A IT 946699 B IT946699 B IT 946699B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacturing
- fixed memory
- memory
- fixed
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
- G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
- G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/291—Oxides or nitrides or carbides, e.g. ceramics, glass
-
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2102854A DE2102854C3 (en) | 1971-01-21 | 1971-01-21 | Method for producing a read-only memory |
Publications (1)
Publication Number | Publication Date |
---|---|
IT946699B true IT946699B (en) | 1973-05-21 |
Family
ID=5796572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19534/72A IT946699B (en) | 1971-01-21 | 1972-01-19 | PROCEDURE FOR MANUFACTURING A FIXED MEMORY |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5716440B1 (en) |
BE (1) | BE778166A (en) |
DE (1) | DE2102854C3 (en) |
FR (1) | FR2122557B1 (en) |
GB (1) | GB1373996A (en) |
IT (1) | IT946699B (en) |
LU (1) | LU64616A1 (en) |
NL (1) | NL7115829A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4064495A (en) * | 1976-03-22 | 1977-12-20 | General Electric Company | Ion implanted archival memory media and methods for storage of data therein |
DE3036869C2 (en) * | 1979-10-01 | 1985-09-05 | Hitachi, Ltd., Tokio/Tokyo | Semiconductor integrated circuit and circuit activation method |
US4476478A (en) * | 1980-04-24 | 1984-10-09 | Tokyo Shibaura Denki Kabushiki Kaisha | Semiconductor read only memory and method of making the same |
FR2551247B1 (en) * | 1983-08-23 | 1988-06-17 | Rosencher Emmanuel | NON-VOLATILE INTEGRATED REWRITE MEMORY, MANUFACTURING METHOD THEREOF AND WRITING DEVICE THEREIN |
-
1971
- 1971-01-21 DE DE2102854A patent/DE2102854C3/en not_active Expired
- 1971-11-17 NL NL7115829A patent/NL7115829A/xx unknown
-
1972
- 1972-01-18 BE BE778166A patent/BE778166A/en unknown
- 1972-01-19 IT IT19534/72A patent/IT946699B/en active
- 1972-01-19 LU LU64616D patent/LU64616A1/xx unknown
- 1972-01-20 GB GB283272A patent/GB1373996A/en not_active Expired
- 1972-01-20 FR FR7201923A patent/FR2122557B1/fr not_active Expired
- 1972-01-21 JP JP824872A patent/JPS5716440B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2102854A1 (en) | 1972-08-03 |
BE778166A (en) | 1972-05-16 |
FR2122557A1 (en) | 1972-09-01 |
DE2102854C3 (en) | 1973-10-11 |
GB1373996A (en) | 1974-11-13 |
LU64616A1 (en) | 1972-06-26 |
JPS5716440B1 (en) | 1982-04-05 |
DE2102854B2 (en) | 1973-03-15 |
NL7115829A (en) | 1972-07-25 |
FR2122557B1 (en) | 1976-07-09 |
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