KR100830109B1 - 액적 토출 헤드의 구동 방법, 압전 소자의 구동 회로 및액적 토출 장치 - Google Patents
액적 토출 헤드의 구동 방법, 압전 소자의 구동 회로 및액적 토출 장치 Download PDFInfo
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- 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
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04593—Dot-size modulation by changing the size of the drop
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04505—Control methods or devices therefor, e.g. driver circuits, control circuits aiming at correcting alignment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/0452—Control methods or devices therefor, e.g. driver circuits, control circuits reducing demand in current or voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04541—Specific driving circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04553—Control methods or devices therefor, e.g. driver circuits, control circuits detecting ambient temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
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- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
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- B41J2/04566—Control methods or devices therefor, e.g. driver circuits, control circuits detecting humidity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04573—Timing; Delays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
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Abstract
Description
Claims (25)
- 액추에이터로서 설치된 압전 소자에 인가되는 전압 변화에 따라서 액적 이젝터의 압력실의 용적을 확대 축소시킴으로써, 액적 이젝터로부터 액적을 토출하는 액적 토출 헤드의 구동 방법으로서,소정 전압을 인가하여 압전 소자를 충전하고, 상기 소정 전압으로 충전된 상기 압전 소자를 상기 압전 소자와 병렬 접속되는 방전 요소에 의해 방전하며,상기 압전 소자 및 상기 방전 요소에 직렬 접속되는 제 1 스위칭 소자의 온·오프에 의해서 상기 압전 소자의 충전 및 방전을 제어하고,상기 압전 소자를 상기 소정 전압으로 충전할 때 충전 개시시의 상기 압전 소자의 단자 전압과 충전시의 상기 압전 소자의 단자 전압과의 전위차에 의해서 액적 이젝터의 상기 압력실을 수축시켜서, 상기 액적 이젝터로부터 상기 전위차에 따른 토출 액적량의 액적을 토출할 때에, 상기 전위차가 얻어지도록 상기 압전 소자의 방전 시간을 제어하는 액적 토출 헤드의 구동 방법.
- 삭제
- 제 1 항에 있어서,소정의 타이밍에서 상기 압전 소자를 충전할 때에, 상기 전위차가 원하는 전위차가 되도록 상기 방전 요소에 의한 방전 개시의 타이밍을 제어하는 액적 토출 헤드의 구동 방법.
- 제 1 항에 있어서,소정의 타이밍에서 상기 압전 소자를 충전할 때에, 상기 전위차가 원하는 전위차가 되도록 상기 방전 요소에 의한 방전을 정지하는 타이밍을 제어하는 액적 토출 헤드의 구동 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 방전 요소에 제 2 스위칭 소자를 설치하고, 제 2 스위칭 소자에 의해서 상기 압전 소자의 방전을 제한하는 액적 토출 헤드의 구동 방법.
- 삭제
- 제 3 항에 있어서,상기 방전 요소에 제 2 스위칭 소자를 설치하고, 제 2 스위칭 소자에 의해서 상기 압전 소자의 방전을 제한하는 액적 토출 헤드의 구동 방법.
- 제 4 항에 있어서,상기 방전 요소에 제 2 스위칭 소자를 설치하고, 제 2 스위칭 소자에 의해서 상기 압전 소자의 방전을 제한하는 액적 토출 헤드의 구동 방법.
- 액적 이젝터에 액추에이터로서 설치되고, 인가되는 전압 변화에 따라서 액적 이젝터의 압력실 내를 확대 축소시킴으로써, 액적 이젝터로부터 액적을 토출 가능하게 하는 압전 소자의 구동 회로로서,상기 압전 소자에 인가하는 소정 전압의 전력을 출력하는 전원과,상기 압전 소자에 병렬 접속된 방전 요소와,병렬 접속된 상기 압전 소자 및 상기 방전 요소와 상기 전원의 사이에 설치 되어 입력되는 제 1 조작 신호에 따라서 개폐되는 제 1 스위칭 소자를 포함하는 압전 소자의 구동 회로.
- 제 13 항에 있어서,상기 방전 요소에 대해서 직렬 접속되고, 입력되는 제 2 조작 신호에 따라서 개폐되는 제 2 스위칭 소자를 포함하는 압전 소자의 구동 회로.
- 제 13 항에 있어서,상기 방전 요소가 상기 압전 소자의 정전 용량에 의거하여 설정된 저항값의 저항인 압전 소자의 구동 회로.
- 제 14 항에 있어서,상기 방전 요소가 상기 압전 소자의 정전 용량에 의거하여 설정된 저항값의 저항인 압전 소자의 구동 회로.
- 압전 소자에 인가되는 전압 변화에 따라서 압력실이 확대 축소됨으로써 상기 압력실에 연통하는 노즐로부터 액적을 토출하는 액적 이젝터와,상기 압전 소자의 구동용으로 하는 소정 전압의 전력을 출력하는 전원과,상기 전원과 상기 압전 소자 사이에 설치된 제 1 스위칭 소자를 포함하고, 상기 전원으로부터 출력되는 전력에 의해서 상기 압전 소자를 상기 소정 전압으로 충전하는 충전 유닛과,상기 압전 소자와 병렬 접속되는 소정 저항값의 저항을 포함하고, 상기 충전 유닛에 의해서 상기 소정 전압으로 충전된 상기 압전 소자를 방전하는 방전 유닛과,상기 충전 유닛 및 상기 방전 유닛에 의한 상기 압전 소자의 충전 및 방전을 제어하고, 방전 유닛에 의한 방전이 개시된 상기 압전 소자를 충전 유닛에 의해서 충전하는 것에 의한 단자 전압의 변화로 압전 소자를 구동하는 구동 제어 유닛을 포함하고,상기 구동 제어 유닛은 상기 제 1 스위칭 소자의 온·오프에 의해서 상기 압전 소자에의 충전 및, 압전 소자로부터의 방전을 제어하는 액적 토출 장치.
- 제 17 항에 있어서,상기 방전 유닛에 의한 상기 압전 소자로부터의 방전을 제한하는 방전 제한 유닛을 더 포함하고, 상기 구동 제어 유닛이 상기 방전 제한 유닛의 작동을 제어하는 액적 토출 장치.
- 삭제
- 삭제
- 제 18 항에 있어서,상기 구동 제어 유닛은 상기 압전 소자의 정전 용량, 상기 저항의 저항값 및 상기 액적 이젝터로부터의 토출 액적량에 따라서 설정된 상기 제 1 스위칭 소자의 오프 시간에 의거하여, 제 1 스위칭 소자의 작동을 제어하는 액적 토출 장치.
- 제 18 항에 있어서,상기 방전 유닛은 상기 저항과 직렬 접속된 제 2 스위칭 소자를 포함하고,상기 구동 제어 유닛은 상기 제 2 스위칭 소자를 오프함으로써, 상기 압전 소자로부터의 방전을 정지하는 액적 토출 장치.
- 제 22 항에 있어서,상기 구동 제어 유닛은 상기 제 1 스위칭 소자의 작동에 의해서 방전 개시 및 충전 개시 타이밍을 제어하는 동시에,상기 압전 소자의 정전 용량, 상기 저항의 저항값 및 상기 액적 이젝터로부터의 토출 액적량에 따라서 상기 제 2 스위칭 소자의 작동을 제어하는 액적 토출 장치.
- 제 21 항에 있어서,상기 구동 제어 유닛은 소정의 타이밍에서 상기 제 1 스위칭 소자를 오프로부터 온으로 전환하도록 제어하는 액적 토출 장치.
- 제 23 항에 있어서,상기 구동 제어 유닛은 소정의 타이밍에서 상기 제 1 스위칭 소자를 오프로부터 온으로 전환하도록 제어하는 액적 토출 장치.
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Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2005-00292539 | 2005-10-05 | ||
JP2005292539A JP4765527B2 (ja) | 2005-10-05 | 2005-10-05 | 液滴吐出装置 |
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KR20070038411A KR20070038411A (ko) | 2007-04-10 |
KR100830109B1 true KR100830109B1 (ko) | 2008-05-20 |
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KR1020060094939A KR100830109B1 (ko) | 2005-10-05 | 2006-09-28 | 액적 토출 헤드의 구동 방법, 압전 소자의 구동 회로 및액적 토출 장치 |
Country Status (4)
Country | Link |
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US (1) | US20070076022A1 (ko) |
JP (1) | JP4765527B2 (ko) |
KR (1) | KR100830109B1 (ko) |
CN (1) | CN1944055A (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US8057003B2 (en) * | 2008-05-23 | 2011-11-15 | Fujifilm Dimatix, Inc. | Method and apparatus to provide variable drop size ejection with a low power waveform |
JP2012223936A (ja) * | 2011-04-18 | 2012-11-15 | Seiko Epson Corp | 圧電素子駆動回路および流体噴射装置 |
GB2536262B (en) | 2015-03-11 | 2019-09-25 | Xaar Technology Ltd | Actuator drive circuit with trim control of pulse shape |
JP6875298B2 (ja) * | 2015-06-29 | 2021-05-19 | キャノン プロダクション プリンティング ネザーランド ビーブイ | インクジェット印刷素子のアレイを駆動するための電子回路 |
GB2551811B (en) * | 2016-06-30 | 2020-01-15 | Xaar Technology Ltd | Droplet deposition apparatus and test circuit therefor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002316414A (ja) | 2001-04-20 | 2002-10-29 | Hitachi Koki Co Ltd | インクジェット記録装置およびインク噴射ノズル駆動方法 |
JP2002331662A (ja) | 2001-05-11 | 2002-11-19 | Hitachi Koki Co Ltd | インクジェット記録装置およびその駆動方法 |
JP2004009472A (ja) | 2002-06-06 | 2004-01-15 | Hitachi Printing Solutions Ltd | インクジェットヘッド駆動回路及びその制御方法 |
JP2005172002A (ja) | 2003-12-11 | 2005-06-30 | Robert Bosch Gmbh | 噴射弁のピエゾアクチュエータのための駆動制御電圧を求める方法および装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH071727A (ja) * | 1993-04-23 | 1995-01-06 | Citizen Watch Co Ltd | 圧電式インクジェットヘッドの駆動回路 |
US20050195227A1 (en) * | 2003-11-17 | 2005-09-08 | Seiko Epson Corporation | Liquid ejection apparatus and method of driving the same |
JP5044092B2 (ja) * | 2004-07-23 | 2012-10-10 | 株式会社東芝 | インクジェット塗布装置および塗布体の製造方法 |
US7556327B2 (en) * | 2004-11-05 | 2009-07-07 | Fujifilm Dimatix, Inc. | Charge leakage prevention for inkjet printing |
-
2005
- 2005-10-05 JP JP2005292539A patent/JP4765527B2/ja not_active Expired - Fee Related
-
2006
- 2006-06-06 US US11/447,353 patent/US20070076022A1/en not_active Abandoned
- 2006-09-28 KR KR1020060094939A patent/KR100830109B1/ko active IP Right Grant
- 2006-09-29 CN CNA2006101599824A patent/CN1944055A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002316414A (ja) | 2001-04-20 | 2002-10-29 | Hitachi Koki Co Ltd | インクジェット記録装置およびインク噴射ノズル駆動方法 |
JP2002331662A (ja) | 2001-05-11 | 2002-11-19 | Hitachi Koki Co Ltd | インクジェット記録装置およびその駆動方法 |
JP2004009472A (ja) | 2002-06-06 | 2004-01-15 | Hitachi Printing Solutions Ltd | インクジェットヘッド駆動回路及びその制御方法 |
JP2005172002A (ja) | 2003-12-11 | 2005-06-30 | Robert Bosch Gmbh | 噴射弁のピエゾアクチュエータのための駆動制御電圧を求める方法および装置 |
Also Published As
Publication number | Publication date |
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CN1944055A (zh) | 2007-04-11 |
JP4765527B2 (ja) | 2011-09-07 |
JP2007098798A (ja) | 2007-04-19 |
KR20070038411A (ko) | 2007-04-10 |
US20070076022A1 (en) | 2007-04-05 |
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