KR100434616B1 - 압전 소자의 제조 방법 - Google Patents
압전 소자의 제조 방법 Download PDFInfo
- Publication number
- KR100434616B1 KR100434616B1 KR10-2001-0048965A KR20010048965A KR100434616B1 KR 100434616 B1 KR100434616 B1 KR 100434616B1 KR 20010048965 A KR20010048965 A KR 20010048965A KR 100434616 B1 KR100434616 B1 KR 100434616B1
- Authority
- KR
- South Korea
- Prior art keywords
- wafer
- electrode
- cutting
- piezoelectric element
- manufacturing
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 19
- 150000002367 halogens Chemical class 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000010897 surface acoustic wave method Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 13
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 claims description 9
- 235000019700 dicalcium phosphate Nutrition 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910018182 Al—Cu Inorganic materials 0.000 claims description 5
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims description 4
- 229940062672 calcium dihydrogen phosphate Drugs 0.000 claims description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 4
- 235000019691 monocalcium phosphate Nutrition 0.000 claims description 4
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 3
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 3
- 235000019800 disodium phosphate Nutrition 0.000 claims description 3
- 229910018575 Al—Ti Inorganic materials 0.000 claims description 2
- 229910013641 LiNbO 3 Inorganic materials 0.000 claims description 2
- -1 LiTaO 3 Inorganic materials 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 7
- 238000005530 etching Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910017119 AlPO Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241001460678 Napo <wasp> Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 229960005069 calcium Drugs 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/06—Forming electrodes or interconnections, e.g. leads or terminals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/08—Shaping or machining of piezoelectric or electrostrictive bodies
- H10N30/085—Shaping or machining of piezoelectric or electrostrictive bodies by machining
- H10N30/088—Shaping or machining of piezoelectric or electrostrictive bodies by machining by cutting or dicing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/877—Conductive materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Dicing (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Claims (13)
- 삭제
- 압전 재료로 이루어지고 Al 혹은 Al 합금을 함유하는 전극이 형성된 웨이퍼(wafer)를 형성하는 단계;할로겐 가스를 포함하는 플라즈마(plasma)에 상기 웨이퍼를 노출하는 단계; 및상기 웨이퍼의 절단부에 절단수(cutting water)를 인가하면서 상기 웨이퍼를 절단하는 단계;를 포함하는 것을 특징으로 하는 압전 소자의 제조 방법으로서,상기 절단수는 Al과 반응하여 상기 전극의 표면에 보호막을 형성하는 화합물을 함유하는 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항에 있어서, 상기 전극은 상기 노출 단계 동안에 에칭(etching)되는 것을 특징으로 하는 압전 소자 제조 방법.
- 압전 기판을 형성하는 단계;웨이퍼를 할로겐 가스를 함유한 플라즈마에 노출하여, 상기 압전 기판에 Al 이나 Al 합금을 함유한 전극을 형성하는 단계;상기 웨이퍼의 절단부에 절단수를 인가하면서 상기 웨이퍼를 절단하는 단계;를 포함하는 것을 특징으로 하는 압전 소자의 제조 방법으로서,상기 절단수는 Al과 반응하여 전극의 표면에 보호막을 형성하는 화합물을 함유하는 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 4항에 있어서, 상기 전극은 상기 웨이퍼를 할로겐 가스를 함유하는 플라즈마에 노출시키는 동안 에칭되는 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 화합물은 인산(phosphric acid), 하이드로겐 인산염(hydrogenphosphates), 디하이드로겐 인산염(dihydrogenphosphates)으로 이루어진 군(group)에서 선택된 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 절단수는 1 ×10-5mol% ~ 1 ×10-3mol% 내의 농도를 가지는 화합물을 함유하는 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 화합물은 칼슘 하이드로겐 인산염, 칼슘 디하이드로겐 인산염, 나트륨 하이드로겐 인산염으로 이루어진 군에서 선택된 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 웨이퍼는 석영, LiTaO3, LiNbO3로 이루어진 군에서 선택된 재료로 제조되는 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 압전 소자는 탄성 표면파 장치를 구성하는 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 전극은 Al 합금, Al-Cu 합금, Al-Ti 합금 중의 하나로 구성되는 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 할로겐 함유 가스는 CF4, Cl2, BCl3중의 하나인 것을 특징으로 하는 압전 소자의 제조 방법.
- 제 2항 또는 제 4항에 있어서, 상기 절단 단계 동안 사용되는 상기 절단수의 온도는 15℃ ~ 30℃ 인 것을 특징으로 하는 압전 소자의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000245802A JP3379518B2 (ja) | 2000-08-14 | 2000-08-14 | 圧電素子の製造方法 |
JPJP-P-2000-00245802 | 2000-08-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020013810A KR20020013810A (ko) | 2002-02-21 |
KR100434616B1 true KR100434616B1 (ko) | 2004-06-07 |
Family
ID=18736256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0048965A KR100434616B1 (ko) | 2000-08-14 | 2001-08-14 | 압전 소자의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6479324B2 (ko) |
JP (1) | JP3379518B2 (ko) |
KR (1) | KR100434616B1 (ko) |
CN (1) | CN1180490C (ko) |
SG (1) | SG99929A1 (ko) |
TW (1) | TW494626B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW513855B (en) * | 2001-01-15 | 2002-12-11 | Matsushita Electric Ind Co Ltd | Saw device and method for manufacturing the device |
US6862934B2 (en) * | 2001-10-05 | 2005-03-08 | The Charles Stark Draper Laboratory, Inc. | Tuning fork gyroscope |
JP5689665B2 (ja) * | 2010-12-10 | 2015-03-25 | 富士フイルム株式会社 | 金属膜表面の酸化防止方法及び酸化防止液 |
US8802545B2 (en) | 2011-03-14 | 2014-08-12 | Plasma-Therm Llc | Method and apparatus for plasma dicing a semi-conductor wafer |
JP5882053B2 (ja) * | 2011-12-28 | 2016-03-09 | 太陽誘電株式会社 | 弾性波デバイスの製造方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63169109A (ja) * | 1987-01-07 | 1988-07-13 | Hitachi Ltd | 弾性表面波素子 |
JPH04156709A (ja) * | 1990-10-19 | 1992-05-29 | Hitachi Ltd | 弾性表面波素子の製造方法および製造装置 |
JPH08191227A (ja) * | 1995-01-10 | 1996-07-23 | Tdk Corp | 弾性表面波装置 |
JPH08265078A (ja) * | 1995-03-24 | 1996-10-11 | Tdk Corp | 弾性表面波装置の製造方法 |
JPH10276055A (ja) * | 1997-03-31 | 1998-10-13 | Sanyo Electric Co Ltd | 薄膜素子の製造方法 |
KR19990080608A (ko) * | 1998-04-20 | 1999-11-15 | 권호택 | 쏘필터의 제조방법 |
JP2000031770A (ja) * | 1998-07-13 | 2000-01-28 | Matsushita Electric Ind Co Ltd | 圧電部品の製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2565880B2 (ja) * | 1986-11-11 | 1996-12-18 | 株式会社東芝 | 弾性表面波装置の製造方法 |
DE69313337T2 (de) * | 1992-04-17 | 1998-01-02 | Terumo Corp | Infrarotsensor und Verfahren für dessen Herstellung |
JP3089448B2 (ja) * | 1993-11-17 | 2000-09-18 | 松下電器産業株式会社 | 液晶表示用パネルの製造方法 |
JP3613838B2 (ja) * | 1995-05-18 | 2005-01-26 | 株式会社デンソー | 半導体装置の製造方法 |
JP3496347B2 (ja) * | 1995-07-13 | 2004-02-09 | 株式会社デンソー | 半導体装置及びその製造方法 |
JPH09307155A (ja) * | 1996-05-16 | 1997-11-28 | Matsushita Electric Ind Co Ltd | 圧電部品の製造方法 |
US6294439B1 (en) * | 1997-07-23 | 2001-09-25 | Kabushiki Kaisha Toshiba | Method of dividing a wafer and method of manufacturing a semiconductor device |
JP3097619B2 (ja) * | 1997-10-02 | 2000-10-10 | 日本電気株式会社 | 電界放射冷陰極の製造方法 |
US6271102B1 (en) * | 1998-02-27 | 2001-08-07 | International Business Machines Corporation | Method and system for dicing wafers, and semiconductor structures incorporating the products thereof |
-
2000
- 2000-08-14 JP JP2000245802A patent/JP3379518B2/ja not_active Expired - Lifetime
-
2001
- 2001-07-27 TW TW90118387A patent/TW494626B/zh not_active IP Right Cessation
- 2001-07-30 US US09/917,994 patent/US6479324B2/en not_active Expired - Lifetime
- 2001-08-02 SG SG200104653A patent/SG99929A1/en unknown
- 2001-08-14 CN CNB011339403A patent/CN1180490C/zh not_active Expired - Lifetime
- 2001-08-14 KR KR10-2001-0048965A patent/KR100434616B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63169109A (ja) * | 1987-01-07 | 1988-07-13 | Hitachi Ltd | 弾性表面波素子 |
JPH04156709A (ja) * | 1990-10-19 | 1992-05-29 | Hitachi Ltd | 弾性表面波素子の製造方法および製造装置 |
JPH08191227A (ja) * | 1995-01-10 | 1996-07-23 | Tdk Corp | 弾性表面波装置 |
JPH08265078A (ja) * | 1995-03-24 | 1996-10-11 | Tdk Corp | 弾性表面波装置の製造方法 |
JPH10276055A (ja) * | 1997-03-31 | 1998-10-13 | Sanyo Electric Co Ltd | 薄膜素子の製造方法 |
KR19990080608A (ko) * | 1998-04-20 | 1999-11-15 | 권호택 | 쏘필터의 제조방법 |
JP2000031770A (ja) * | 1998-07-13 | 2000-01-28 | Matsushita Electric Ind Co Ltd | 圧電部品の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP3379518B2 (ja) | 2003-02-24 |
US6479324B2 (en) | 2002-11-12 |
TW494626B (en) | 2002-07-11 |
CN1180490C (zh) | 2004-12-15 |
JP2002064352A (ja) | 2002-02-28 |
SG99929A1 (en) | 2003-11-27 |
CN1339873A (zh) | 2002-03-13 |
KR20020013810A (ko) | 2002-02-21 |
US20020022345A1 (en) | 2002-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5059897B2 (ja) | 圧電振動片の製造方法 | |
US6961981B2 (en) | Method of producing a piezoelectric resonator | |
JPH09130199A (ja) | 圧電薄膜素子およびその製法 | |
US6686675B2 (en) | Electronic device and method for producing the same | |
JP2000196409A (ja) | 弾性表面波フィルタ | |
KR100434616B1 (ko) | 압전 소자의 제조 방법 | |
EP1467483A2 (en) | Method for manufacturing a surface acoustic wave device | |
WO2000024123A1 (fr) | Dispositif a ondes acoustiques de surface | |
JPH1188101A (ja) | 弾性表面波素子および弾性表面波素子の製造方法 | |
EP2015450A1 (en) | Electronic component and method for manufacturing same | |
US6376889B1 (en) | Dielectric thin film element and process for manufacturing the same | |
US20070228895A1 (en) | Method for manufacturing piezoelectric resonator element | |
JP2002344280A (ja) | 圧電薄膜素子とその製造方法 | |
JP5364185B2 (ja) | 圧電振動片の製造方法 | |
JP2002214038A (ja) | 焦電型赤外線検出素子の製造方法 | |
JPS6127929B2 (ko) | ||
KR100518103B1 (ko) | 압전박막 공진기 및 그 제조방법 | |
JP2515622B2 (ja) | 弾性表面波センサの製法 | |
JP3345779B2 (ja) | Sawチップ及びこれを利用したsawデバイスの製造方法 | |
JPH1174750A (ja) | 弾性表面波装置及びその製造方法 | |
JPH11163662A (ja) | 弾性表面波フィルタ | |
JP2002141762A (ja) | 弾性表面波フィルタの製造方法 | |
JP2005142902A (ja) | 弾性表面波素子用基板 | |
JP3026937B2 (ja) | 弾性表面波装置の製造方法 | |
JP2008124740A (ja) | 弾性表面波素子及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130419 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20140507 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20150430 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20160513 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20170512 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20180523 Year of fee payment: 15 |