JP4450719B2 - 半導体素子の製造方法 - Google Patents
半導体素子の製造方法 Download PDFInfo
- Publication number
- JP4450719B2 JP4450719B2 JP2004307673A JP2004307673A JP4450719B2 JP 4450719 B2 JP4450719 B2 JP 4450719B2 JP 2004307673 A JP2004307673 A JP 2004307673A JP 2004307673 A JP2004307673 A JP 2004307673A JP 4450719 B2 JP4450719 B2 JP 4450719B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- diamond
- region
- electrode
- electrode formation
- 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 - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title claims description 65
- 238000004519 manufacturing process Methods 0.000 title claims description 43
- 229910003460 diamond Inorganic materials 0.000 claims description 165
- 239000010432 diamond Substances 0.000 claims description 165
- 238000000034 method Methods 0.000 claims description 29
- 230000015572 biosynthetic process Effects 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000010884 ion-beam technique Methods 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000003870 refractory metal Substances 0.000 claims description 10
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 8
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 8
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 8
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910002113 barium titanate Inorganic materials 0.000 claims description 6
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 6
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 6
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims description 6
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- ZVWKZXLXHLZXLS-UHFFFAOYSA-N zirconium nitride Chemical compound [Zr]#N ZVWKZXLXHLZXLS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052454 barium strontium titanate Inorganic materials 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229910000510 noble metal Inorganic materials 0.000 claims description 3
- 239000010408 film Substances 0.000 description 33
- 230000008569 process Effects 0.000 description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 238000000206 photolithography Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 230000003071 parasitic effect Effects 0.000 description 8
- 239000013078 crystal Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000609 electron-beam lithography Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- 238000001894 space-charge-limited current method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Electrodes Of Semiconductors (AREA)
- Thin Film Transistor (AREA)
Description
2;ギャップ層
3a、3b;導電性ダイヤモンド層
4;高抵抗ダイヤモンド層
5;ゲート絶縁膜
6a、6b;保護膜
7;電極金属層
8、104、115、124、133;ソース電極
9、105、116、126、134;ドレイン電極
10、107、118、125、137;ゲート電極
11、120、130;FET
100、110;MISFET
102a、102b、132a、132b;高ドープp型半導体ダイヤモンド層
103、135;低ドープp型半導体ダイヤモンド層
106;アンドープダイヤモンド層
111;シリコン基板
112;下地層
113a、113b;n型半導体ダイヤモンド層
114;p型半導体ダイヤモンド層
117;ダイヤモンド絶縁体層
121、123;半導体ダイヤモンド層
122;高抵抗ダイヤモンド層
136;酸化シリコン絶縁層
Claims (3)
- 絶縁性ダイヤモンド基板上にその幅がソース領域及びドレイン領域間の距離と等しいギャップ層を形成する工程と、前記ギャップ層の両側にソース領域及びドレイン領域となる第1及び第2の導電性ダイヤモンド層を形成する工程と、前記ギャップ層を除去する工程と、前記基板上の前記第1及び第2の導電性ダイヤモンド層間の領域上に前記第1及び第2の導電性ダイヤモンド層に接触するように、前記第1及び第2の導電性ダイヤモンド層よりも電気抵抗が高くチャネル層となる高抵抗ダイヤモンド層を選択的に形成する工程と、前記高抵抗ダイヤモンド層上にゲート絶縁膜を選択的に形成する工程と、ゲート電極形成予定領域とソース電極形成予定領域との間及びゲート電極形成予定領域とドレイン電極形成予定領域との間に保護膜を形成する工程と、金属層を形成する工程と、前記金属層におけるソース電極形成予定領域、ドレイン電極形成予定領域及びゲート電極形成予定領域以外の部分を収束イオンビームにより除去する工程と、を有することを特徴とする半導体素子の製造方法。
- 前記第1及び第2の導電性ダイヤモンド層は、高濃度でBがドープされた高ドープダイヤモンド層であり、前記高抵抗ダイヤモンド層は、前記第1及び第2の導電性ダイヤモンド層よりも低濃度でBがドープされた低ドープダイヤモンド層又は不純物をドープしていないアンドープダイヤモンド層であることを特徴とする請求項1に記載の半導体素子の製造方法。
- 前記ギャップ層は、高融点金属、高融点金属の窒化物、高融点金属の炭化物、貴金属、酸化シリコン、酸化アルミニウム、酸化チタン、酸化タンタル、酸化ジルコニウム、酸化ハフニウム、窒化シリコン、窒化アルミニウム、窒化ジルコニウム、チタン酸バリウム及びチタン酸ストロンチウムからなる群から選択された少なくとも1種の材料により形成されていることを特徴とする請求項1又は2に記載の半導体素子の製造方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004307673A JP4450719B2 (ja) | 2004-10-22 | 2004-10-22 | 半導体素子の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004307673A JP4450719B2 (ja) | 2004-10-22 | 2004-10-22 | 半導体素子の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006120885A JP2006120885A (ja) | 2006-05-11 |
| JP4450719B2 true JP4450719B2 (ja) | 2010-04-14 |
Family
ID=36538476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004307673A Expired - Fee Related JP4450719B2 (ja) | 2004-10-22 | 2004-10-22 | 半導体素子の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4450719B2 (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101772639B1 (ko) | 2009-10-16 | 2017-08-29 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 |
| JP5676945B2 (ja) * | 2010-07-08 | 2015-02-25 | キヤノン株式会社 | 電子装置、電子装置の素子分離方法、電子装置の製造方法、及び電子装置を備えた表示装置 |
| JP7157138B2 (ja) * | 2018-03-22 | 2022-10-19 | パナソニックホールディングス株式会社 | 窒化物半導体装置 |
| JP7159080B2 (ja) * | 2018-05-10 | 2022-10-24 | 株式会社東芝 | 積層体および半導体装置 |
-
2004
- 2004-10-22 JP JP2004307673A patent/JP4450719B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006120885A (ja) | 2006-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7103444B2 (ja) | 炭化珪素半導体素子 | |
| EP3108507B1 (en) | Silicon carbide semiconductor device | |
| KR20060112659A (ko) | Fet 게이트 전극을 위한 cvd 탄탈륨 화합물 | |
| TW201505098A (zh) | 形成包含矽化及非矽化電路元件之半導體結構的方法 | |
| CN114171392B (zh) | 一种制备大面积高性能n型二维碲化钼场效应晶体管阵列的方法 | |
| CN115410922B (zh) | 一种垂直型氧化镓晶体管及其制备方法 | |
| JP2002057167A (ja) | 半導体素子及びその製造方法 | |
| JP4582542B2 (ja) | ダイヤモンド電界効果トランジスタ及びその製造方法 | |
| JP4450719B2 (ja) | 半導体素子の製造方法 | |
| JP3714803B2 (ja) | ダイヤモンド電界効果トランジスタの製造方法 | |
| CN114725020A (zh) | 一种基于GaOx-PMOS/GaN-NMOS的CMOS反相器的制备方法 | |
| US7138339B2 (en) | Method of manufacturing semiconductor device including etching a conductive layer by using a gas including SiCl4 and NF3 | |
| KR20020035747A (ko) | 보텀게이트형 박막트랜지스터와 그 제조방법 및 표시장치 | |
| US10083831B2 (en) | Substrate and electronic device | |
| US9911846B2 (en) | Semiconductor device having a bandgap wider than that of silicon | |
| TWI598963B (zh) | 真空奈米管場效電晶體及其製造方法 | |
| JP5107027B2 (ja) | ダイアモンド状のカーボンチャネルを有する電界効果トランジスタの製造方法 | |
| JP2002118257A (ja) | ダイヤモンド半導体装置 | |
| CN114203822A (zh) | 一种基于过渡金属硫化物的栅极环绕型晶体管及制备方法 | |
| JP4751023B2 (ja) | 半導体装置の製造方法 | |
| CN107706242B (zh) | 晶体管及其制造方法 | |
| JP2006100721A (ja) | 半導体素子及びその製造方法 | |
| WO2025013673A1 (ja) | Fet、電気機械器具、及び、fetの製造方法 | |
| JP7484674B2 (ja) | トランジスタ | |
| WO2025028307A1 (ja) | Fet、電気機械器具、及び、fetの製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060925 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100120 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100126 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100126 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4450719 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130205 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140205 Year of fee payment: 4 |
|
| LAPS | Cancellation because of no payment of annual fees |