JP5650257B2 - 極薄ダイおよびその製造方法 - Google Patents
極薄ダイおよびその製造方法 Download PDFInfo
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- JP5650257B2 JP5650257B2 JP2013023094A JP2013023094A JP5650257B2 JP 5650257 B2 JP5650257 B2 JP 5650257B2 JP 2013023094 A JP2013023094 A JP 2013023094A JP 2013023094 A JP2013023094 A JP 2013023094A JP 5650257 B2 JP5650257 B2 JP 5650257B2
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- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 claims description 82
- 238000000034 method Methods 0.000 claims description 51
- 238000005530 etching Methods 0.000 claims description 48
- 239000004065 semiconductor Substances 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 49
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 238000001514 detection method Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 238000009623 Bosch process Methods 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Classifications
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- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/977—Thinning or removal of substrate
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Dicing (AREA)
- Drying Of Semiconductors (AREA)
- Weting (AREA)
- Micromachines (AREA)
Description
図1には、ワークピース31の断面図を示す。ワークピース31は半導体基板10を備え、2つの平行な大きな表面12,14と、2つの大きな表面12,14の間の縁を形成する1つの小さな表面とを有する。小さな表面、即ち、縁は、ワークピース31の周面を形成する。参照のため、大きな表面14を前面、正面または能動面14と呼び、この表面が動作デバイスの形成される能動領域を有する表面であることを示す。また、前面の能動面14の位置に対し、大きな表面12を基板の後面または背面12と呼ぶ。参照符号21はワークピース31の厚さを表す。一実施形態では、能動面14を処理して動作デバイスを形成している間、厚さ21は基板10の厚さとほぼ同じである。薄化の必要な任意のワークピース厚さが用いられ得るが、典型的には基板10の厚さは約660.4マイクロメートル(26ミル)である。
エッチングが前面の能動側まで貫通して停止することによって完了するので、元のマスク厚さによって個片化時のダイの厚さが規定される。
Claims (4)
- 半導体基板の処理方法において、
半導体基板の正面のスクライブ領域の上に、終了点材料を含む終了点層を形成する終了点層形成工程と、
半導体基板の背面の上にマスク層を形成するマスク層形成工程と、
半導体基板からダイが形成される場所を規定するトレンチ領域をマスク層に形成するトレンチ領域形成工程と、
トレンチ領域形成工程に続いて、マスク層および半導体基板を同時にエッチングし、マスク層を除去すると同時に半導体基板にトレンチ領域を形成する第1エッチング工程であって、半導体基板に形成されるトレンチ領域は、半導体基板の厚さ未満の第1の厚さを有する工程と、
第1エッチング工程に続いて、半導体基板の背面からエッチングし、半導体基板を薄化すると同時に半導体基板のトレンチ領域を深くする第2エッチング工程と、
第2エッチング工程において前記終了点層を検出してから所定の時間後に第2エッチング工程を停止するエッチング停止工程と、を備え、前記所定の時間は、第2のエッチング工程によって終了点層がエッチングされることを許容するのに十分な時間であり、それによって半導体基板が複数のダイへ個片化される、方法。 - トレンチ領域形成工程に続いて、半導体基板の正面の上に取り扱い基板を付着させて第1のワークピースを形成する第1ワークピース形成工程を含み、半導体基板は第1のワークピース上で複数のダイへ個片化される請求項1に記載の方法。
- 第2エッチング工程に続いて、前記複数のダイの背面の上にピックアップテープを付着させるテープ付着工程と、
テープ付着工程の後に、第1のワークピース上の前記複数のダイから取り扱い基板を分離し、第2のワークピースを形成する第2ワークピース形成工程と、を含む請求項2に記載の方法。 - 第2エッチング工程の後であってテープ付着工程の前に、前記複数のダイのうちの1つのダイの背面の上に背面金属層を形成する背面金属層形成工程を含み、前記テープ付着工程は、前記背面金属層の上にピックアップテープを付着させることを含む、請求項3に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/881,144 US7507638B2 (en) | 2004-06-30 | 2004-06-30 | Ultra-thin die and method of fabricating same |
US10/881,144 | 2004-06-30 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007519216A Division JP5390769B2 (ja) | 2004-06-30 | 2005-05-19 | 極薄ダイおよびその製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2013084999A JP2013084999A (ja) | 2013-05-09 |
JP5650257B2 true JP5650257B2 (ja) | 2015-01-07 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007519216A Expired - Fee Related JP5390769B2 (ja) | 2004-06-30 | 2005-05-19 | 極薄ダイおよびその製造方法 |
JP2013023094A Expired - Fee Related JP5650257B2 (ja) | 2004-06-30 | 2013-02-08 | 極薄ダイおよびその製造方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007519216A Expired - Fee Related JP5390769B2 (ja) | 2004-06-30 | 2005-05-19 | 極薄ダイおよびその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7507638B2 (ja) |
JP (2) | JP5390769B2 (ja) |
CN (1) | CN100492595C (ja) |
TW (1) | TWI377615B (ja) |
WO (1) | WO2006007142A2 (ja) |
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CN100492595C (zh) | 2009-05-27 |
CN1973362A (zh) | 2007-05-30 |
US8198705B2 (en) | 2012-06-12 |
TWI377615B (en) | 2012-11-21 |
JP2013084999A (ja) | 2013-05-09 |
JP2008505486A (ja) | 2008-02-21 |
JP5390769B2 (ja) | 2014-01-15 |
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US20060003551A1 (en) | 2006-01-05 |
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