JPH0249027B2 - - Google Patents
Info
- Publication number
- JPH0249027B2 JPH0249027B2 JP56206800A JP20680081A JPH0249027B2 JP H0249027 B2 JPH0249027 B2 JP H0249027B2 JP 56206800 A JP56206800 A JP 56206800A JP 20680081 A JP20680081 A JP 20680081A JP H0249027 B2 JPH0249027 B2 JP H0249027B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- cell
- jfet
- gate
- volatile
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims description 35
- 239000004065 semiconductor Substances 0.000 claims description 14
- 210000000352 storage cell Anatomy 0.000 claims description 8
- 238000013500 data storage Methods 0.000 claims description 7
- 210000004027 cell Anatomy 0.000 description 183
- 230000015654 memory Effects 0.000 description 74
- 238000003860 storage Methods 0.000 description 36
- 239000012212 insulator Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 28
- 229920002120 photoresistant polymer Polymers 0.000 description 18
- 230000008569 process Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 230000002441 reversible effect Effects 0.000 description 14
- 230000015556 catabolic process Effects 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 12
- 238000007667 floating Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 229910052581 Si3N4 Inorganic materials 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 238000009413 insulation Methods 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 11
- 229920005591 polysilicon Polymers 0.000 description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 11
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 230000008859 change Effects 0.000 description 10
- 239000000969 carrier Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000002955 isolation Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000003491 array Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000003416 augmentation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Description
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Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ äžæ®çºæ§ããŒã¿èç©ã»ã«ã§ãã€ãŠã (a) 第ïŒã®å°é»åã®åå°äœåºæ¿ãšã (b) åèšåºæ¿ã®è¡šé¢ã«ããã第ïŒã®å°é»åã®é«æ¿
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é«æ¿åºŠã«ããŒããããé åã«é¢ããŠæšªã«é 眮ã
ãã第ïŒã®é»å§ãå°å ãããå Žåã«åèšç¬¬ïŒã®
å°é»åã®é«æ¿åºŠã«ããŒããããé åãšåèšåºæ¿
ãšã®éã®çžŠåé»æµè·¯ã«ãããé»æµãå¶åŸ¡ããã
第ïŒã®å°é»åã®é«æ¿åºŠã«ããŒããããé åãšã (d) åèšç¬¬ïŒã®å°é»åã®é«æ¿åºŠã«ããŒããããé
åãå°ãªããšãéšåçã«ããããããç·ãšã (e) åèšãããç·ãšåèšç¬¬ïŒã®å°é»åã®é«æ¿åºŠã«
ããŒããããé åã®éã§ãã€åèšé»æµè·¯ãšçŽå
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ïŒã€ã¯åèšç¬¬ïŒã®å°é»åã®é«æ¿åºŠã«ããŒããã
ãé åãšå®¹éçã«çµåãããäžèšç¬¬ïŒã®é»å§ã
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ã®é åã«å°å ãããå Žåã«åèšå®¹éçŽ åã«éžæ
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第ïŒã®é»å§ã«åœ±é¿ãåãŒãåèšå®¹éçŽ åãšã ãæããäžæ®çºæ§ããŒã¿èç©ã»ã«ã
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21902380A | 1980-12-22 | 1980-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57172773A JPS57172773A (en) | 1982-10-23 |
JPH0249027B2 true JPH0249027B2 (ja) | 1990-10-26 |
Family
ID=22817494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20680081A Granted JPS57172773A (en) | 1980-12-22 | 1981-12-21 | Non-volatile high integrated jfetram cell |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57172773A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100828488B1 (ko) * | 2001-05-07 | 2008-05-13 | ëŽ í¬ëŠ¬ììŽíž ìœí¬ë ìŽì | ë°ë§ì 잵첎ì ì ì¡°ë°©ë² ë° ì ì¡°ì¥ì¹ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53103330A (en) * | 1977-02-21 | 1978-09-08 | Handotai Kenkyu Shinkokai | Semiconductor memory |
JPS53142192A (en) * | 1977-05-18 | 1978-12-11 | Toshiba Corp | Dynamic memory device |
-
1981
- 1981-12-21 JP JP20680081A patent/JPS57172773A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53103330A (en) * | 1977-02-21 | 1978-09-08 | Handotai Kenkyu Shinkokai | Semiconductor memory |
JPS53142192A (en) * | 1977-05-18 | 1978-12-11 | Toshiba Corp | Dynamic memory device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100828488B1 (ko) * | 2001-05-07 | 2008-05-13 | ëŽ í¬ëŠ¬ììŽíž ìœí¬ë ìŽì | ë°ë§ì 잵첎ì ì ì¡°ë°©ë² ë° ì ì¡°ì¥ì¹ |
Also Published As
Publication number | Publication date |
---|---|
JPS57172773A (en) | 1982-10-23 |
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