IT946699B - PROCEDURE FOR MANUFACTURING A FIXED MEMORY - Google Patents

PROCEDURE FOR MANUFACTURING A FIXED MEMORY

Info

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
Application number
IT19534/72A
Other languages
Italian (it)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT946699B publication Critical patent/IT946699B/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • H01L29/40Electrodes ; Multistep manufacturing processes therefor
    • H01L29/43Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
    • H01L29/49Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
    • H01L29/51Insulating materials associated therewith
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C17/00Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
    • G11C17/10Read-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
    • G11C17/12Read-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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/28Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/29Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
    • H01L23/291Oxides or nitrides or carbides, e.g. ceramics, glass
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B20/00Read-only memory [ROM] devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
IT19534/72A 1971-01-21 1972-01-19 PROCEDURE FOR MANUFACTURING A FIXED MEMORY IT946699B (en)

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)

* Cited by examiner, † Cited by third party
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

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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