JP5380037B2 - 半導体装置の作製方法 - Google Patents
半導体装置の作製方法 Download PDFInfo
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- JP5380037B2 JP5380037B2 JP2008269324A JP2008269324A JP5380037B2 JP 5380037 B2 JP5380037 B2 JP 5380037B2 JP 2008269324 A JP2008269324 A JP 2008269324A JP 2008269324 A JP2008269324 A JP 2008269324A JP 5380037 B2 JP5380037 B2 JP 5380037B2
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- amorphous silicon
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- 238000000034 method Methods 0.000 title claims description 68
- 239000004065 semiconductor Substances 0.000 title claims description 67
- 238000004519 manufacturing process Methods 0.000 title claims description 31
- 229920002120 photoresistant polymer Polymers 0.000 claims description 124
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 54
- 239000000758 substrate Substances 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000005530 etching Methods 0.000 claims description 14
- 238000004380 ashing Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 239000010408 film Substances 0.000 description 118
- 239000010410 layer Substances 0.000 description 80
- 238000000206 photolithography Methods 0.000 description 12
- 239000011521 glass Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 238000007687 exposure technique Methods 0.000 description 7
- 239000010936 titanium Substances 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000005407 aluminoborosilicate glass Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Description
図1から図3により、本発明の4枚フォトマスクプロセスを説明する。
次に図6から図8により、本発明の3枚フォトマスクプロセスを説明する。端子部も含めて図1(E)のハーフトーン露光技術を必要とする第2のフォトマスク使用の工程から説明する。つまり、図1(E)から図6(A)とつながる。
次に図9を例にとり、画素部の周辺に設けられる周辺回路との接続端子部の構造について説明する。
2 フォトレジスト
3 フォトレジスト
4 フォトレジスト
5 フォトレジスト
6 フォトレジスト
7 フォトレジスト
8 フォトレジスト
9 フォトレジスト
100 ガラス基板
101 ゲート電極、ゲート配線
102 絶縁膜、ゲート絶縁膜
103 I型アモルファスシリコン層
104 n+型アモルファスシリコン層
105 金属膜
106 配線
107 チャネル領域
108 ソース領域
109 ドレイン領域
110 ソース電極
111 ドレイン電極
112 保護膜
113 画素電極
114 透明導電膜
201 微結晶半導体膜
202 バッファ層
300 ガラス基板
301 ゲート電極
302 絶縁膜
303 I型アモルファスシリコン層
304 n+型アモルファスシリコン層
305 金属膜
306 チャネル領域
307 ソース領域
308 ドレイン領域
309 ソース電極
310 ドレイン電極
311 配線
312 透明導電膜
313 画素電極
314 保護膜
315 液晶
316 スペーサ
317 シール材
318 カラーフィルタ
319 対向基板
500 ガラス基板
501 ゲート電極
502 ゲート絶縁膜
503 I型アモルファスシリコン層
504 n+型アモルファスシリコン層
505 チャネル領域
506 ソース領域
507 ドレイン領域
508 ソース電極
509 ドレイン電極
510 保護膜
511 画素電極
Claims (5)
- 基板上に第一の金属膜を形成し、
第一のフォトレジストを用いて前記金属膜をエッチングしゲート電極を形成し、
前記ゲート電極上にゲート絶縁膜を形成し、
前記ゲート絶縁膜上にI型半導体層を形成し、
前記I型半導体層上に一導電性を付与する不純物元素を含む半導体層を形成し、
第一の裏面露光を行って第二のフォトレジストを形成し、
前記第二のフォトレジストを用いて前記I型半導体層および前記一導電性を付与する不純物元素を含む半導体層をエッチングして島状に形成し、
前記基板上に第二の金属膜を形成し、
第一の多階調マスクを用いて第三のフォトレジストを形成し、
前記第三のフォトレジストを用いて前記第二の金属膜、前記一導電性を付与する不純物元素を含む半導体層および前記I型半導体層をエッチングし、
前記第三のフォトレジストをアッシングし、
アッシングされた前記第三のフォトレジストを用いて前記第二の金属膜をエッチングし、ソース電極およびドレイン電極を形成し、
アッシングされた前記第三のフォトレジストを用いて前記一導電性を付与する不純物元素を含む半導体層および前記I型半導体層をエッチングし、チャネル領域、ソース領域およびドレイン領域を形成し、
第二の多階調マスクを用いて第四のフォトレジストを形成し、
前記第四のフォトレジストを用いて前記第四のフォトレジストで覆われていない前記ゲート絶縁膜をエッチングしてコンタクトホールを形成し、
前記第四のフォトレジストをアッシングし、
前記基板上に導電膜を形成し、
前記第四のフォトレジストを除去することにより画素電極を形成し、
前記基板上に保護膜を形成し、
第二の裏面露光を行い前記保護膜上に第五のフォトレジストを形成し、
前記第五のフォトレジストをリフロー処理し、
リフロー処理された前記第五のフォトレジストを用いて前記保護膜をエッチングする半導体装置の作製方法。 - 請求項1において、前記第一、第二の多階調マスクはハーフトーンマスク又はグレイトーンマスクであることを特徴とする半導体装置の作製方法。
- 請求項1または2において、前記第一の裏面露光は光が前記I型半導体層と前記一導電性を付与する不純物元素を含む半導体層を通過して行われることを特徴とする半導体装置の作製方法。
- 請求項1乃至請求項3のいずれか一において、前記I型半導体層はI型アモルファスシリコン層であることを特徴とする半導体装置の作製方法。
- 請求項1乃至請求項4のいずれか一において、前記画素電極は透明導電膜であることを特徴とする半導体装置の作製方法。
Priority Applications (1)
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JP2008269324A JP5380037B2 (ja) | 2007-10-23 | 2008-10-20 | 半導体装置の作製方法 |
Applications Claiming Priority (3)
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JP2007275781 | 2007-10-23 | ||
JP2007275781 | 2007-10-23 | ||
JP2008269324A JP5380037B2 (ja) | 2007-10-23 | 2008-10-20 | 半導体装置の作製方法 |
Publications (3)
Publication Number | Publication Date |
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JP2009124123A JP2009124123A (ja) | 2009-06-04 |
JP2009124123A5 JP2009124123A5 (ja) | 2011-11-17 |
JP5380037B2 true JP5380037B2 (ja) | 2014-01-08 |
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JP2008269324A Expired - Fee Related JP5380037B2 (ja) | 2007-10-23 | 2008-10-20 | 半導体装置の作製方法 |
Country Status (2)
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US (2) | US20090148970A1 (ja) |
JP (1) | JP5380037B2 (ja) |
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KR101448903B1 (ko) | 2007-10-23 | 2014-10-13 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체장치 및 그의 제작방법 |
JP5357493B2 (ja) * | 2007-10-23 | 2013-12-04 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
JP5137798B2 (ja) | 2007-12-03 | 2013-02-06 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
WO2009072451A1 (en) * | 2007-12-03 | 2009-06-11 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method of thin film transistor and manufacturing method of display device |
US7910929B2 (en) * | 2007-12-18 | 2011-03-22 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
US8101442B2 (en) * | 2008-03-05 | 2012-01-24 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing EL display device |
KR101237096B1 (ko) * | 2008-08-21 | 2013-02-25 | 엘지디스플레이 주식회사 | 박막 트랜지스터 어레이 기판의 제조방법 |
JP5361651B2 (ja) | 2008-10-22 | 2013-12-04 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
KR101667909B1 (ko) * | 2008-10-24 | 2016-10-28 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체장치의 제조방법 |
US8741702B2 (en) | 2008-10-24 | 2014-06-03 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
WO2010047288A1 (en) | 2008-10-24 | 2010-04-29 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductordevice |
EP2180518B1 (en) * | 2008-10-24 | 2018-04-25 | Semiconductor Energy Laboratory Co, Ltd. | Method for manufacturing semiconductor device |
JP2010108957A (ja) * | 2008-10-28 | 2010-05-13 | Hitachi Displays Ltd | 表示装置およびその製造方法 |
JP5503995B2 (ja) * | 2009-02-13 | 2014-05-28 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
KR101782176B1 (ko) | 2009-07-18 | 2017-09-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 및 반도체 장치의 제조 방법 |
JP5642447B2 (ja) | 2009-08-07 | 2014-12-17 | 株式会社半導体エネルギー研究所 | 半導体装置 |
TWI746064B (zh) | 2009-08-07 | 2021-11-11 | 日商半導體能源研究所股份有限公司 | 半導體裝置和其製造方法 |
KR20120093864A (ko) * | 2009-10-09 | 2012-08-23 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 |
CN102598284B (zh) * | 2009-11-06 | 2015-04-15 | 株式会社半导体能源研究所 | 半导体器件 |
CN102148195B (zh) | 2010-04-26 | 2013-05-01 | 北京京东方光电科技有限公司 | Tft-lcd阵列基板及其制造方法 |
KR101748842B1 (ko) * | 2010-08-24 | 2017-06-20 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 그 제조방법 |
CN104377207A (zh) * | 2014-08-29 | 2015-02-25 | 深超光电(深圳)有限公司 | 显示面板及制造该显示面板的方法 |
CN105428243B (zh) * | 2016-01-11 | 2017-10-24 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及制作方法、阵列基板和显示装置 |
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2008
- 2008-10-20 JP JP2008269324A patent/JP5380037B2/ja not_active Expired - Fee Related
- 2008-10-21 US US12/255,312 patent/US20090148970A1/en not_active Abandoned
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2014
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US20140256095A1 (en) | 2014-09-11 |
US20090148970A1 (en) | 2009-06-11 |
US9564517B2 (en) | 2017-02-07 |
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