TW200524679A - Substrate attaching method - Google Patents
Substrate attaching method Download PDFInfo
- Publication number
- TW200524679A TW200524679A TW093137046A TW93137046A TW200524679A TW 200524679 A TW200524679 A TW 200524679A TW 093137046 A TW093137046 A TW 093137046A TW 93137046 A TW93137046 A TW 93137046A TW 200524679 A TW200524679 A TW 200524679A
- Authority
- TW
- Taiwan
- Prior art keywords
- substrate
- adhesive
- attaching
- semiconductor wafer
- item
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims abstract description 43
- 239000000853 adhesive Substances 0.000 claims abstract description 34
- 230000001070 adhesive effect Effects 0.000 claims abstract description 34
- 239000012790 adhesive layer Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 239000004922 lacquer Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 3
- 235000012431 wafers Nutrition 0.000 description 45
- 230000001681 protective effect Effects 0.000 description 13
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 239000010408 film Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229910052582 BN Inorganic materials 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 2
- HXDLWJWIAHWIKI-UHFFFAOYSA-N 2-hydroxyethyl acetate Chemical compound CC(=O)OCCO HXDLWJWIAHWIKI-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- ZEYHEAKUIGZSGI-UHFFFAOYSA-N 4-methoxybenzoic acid Chemical compound COC1=CC=C(C(O)=O)C=C1 ZEYHEAKUIGZSGI-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- -1 monophenol ethers Chemical class 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- PPPFYBPQAPISCT-UHFFFAOYSA-N 2-hydroxypropyl acetate Chemical compound CC(O)COC(C)=O PPPFYBPQAPISCT-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- AJZOYSGAEPJFKH-UHFFFAOYSA-N 4-methoxy-2-methylbutanoic acid Chemical compound COCCC(C)C(O)=O AJZOYSGAEPJFKH-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- PMGMZJIROUNLSW-UHFFFAOYSA-N C(COCCO)O.C(C)(=O)O.C(C(C)O)O Chemical compound C(COCCO)O.C(C)(=O)O.C(C(C)O)O PMGMZJIROUNLSW-UHFFFAOYSA-N 0.000 description 1
- XXRCUYVCPSWGCC-UHFFFAOYSA-N Ethyl pyruvate Chemical compound CCOC(=O)C(C)=O XXRCUYVCPSWGCC-UHFFFAOYSA-N 0.000 description 1
- 229910001374 Invar Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Substances CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 229940117360 ethyl pyruvate Drugs 0.000 description 1
- FXHGMKSSBGDXIY-UHFFFAOYSA-N heptanal Chemical compound CCCCCCC=O FXHGMKSSBGDXIY-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-M hexanoate Chemical compound CCCCCC([O-])=O FUZZWVXGSFPDMH-UHFFFAOYSA-M 0.000 description 1
- CWKLZLBVOJRSOM-UHFFFAOYSA-N methyl pyruvate Chemical compound COC(=O)C(C)=O CWKLZLBVOJRSOM-UHFFFAOYSA-N 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920003176 water-insoluble polymer Polymers 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
-
- 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
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68318—Auxiliary support including means facilitating the separation of a device or wafer from the auxiliary support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/6834—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used to protect an active side of a device or wafer
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
200524679 Π) 九、發明說明 【發明所屬之技術領域】 本發明是關於將半導體晶圓等基板薄片化時’將該基 板貼附於支撐板的方法。 【先前技術】 I c卡或攜帶電話要求薄型化、小型化、輕量化,而 爲了滿足此需求,所組裝的半導體晶片必須形成厚度較薄 的半導體晶片。因此,構成半導體晶片之晶圓的厚度’目 前是 125μηι至 150μηι,然而爲了供下一代的晶片使用’ 必須形成2 5 μ m至5 0 μ m。 以往,半導體晶圓的薄片化是經由第6圖所示之步驟 形成者。亦即,在半導體晶圓之電路(元件)形成面(A 面)貼附保護膠帶後,將晶圓翻轉,接著,利用硏磨機硏 磨半導體晶圓的背面(B面),予以薄片化,然後,將該 薄片化的半導體晶圓背面固定於切割框架所保持的切割膠 帶上’並於該狀態下將覆蓋半導體晶圓之電路(元件)形 成面(A面)的保護膠帶剝離,繼之,利用切割裝置分割 成各個晶片。 上述方法係揭示於專利文獻1。專利文獻1中,使用 耐熱性保護膠帶作爲保護膠帶,而在該保護膠帶的一端, 黏著強力黏接膠帶,以進行剝離 又’在專利文獻2中記載有:使用在氮化鋁一氮化硼 氣孔燒結體含浸梯型砂低聚物(】a d d e r t y p e s i 1 i c ο η 200524679 (2) ohgomer )之保護基板,來取代保護膠帶,並將該保護基 板和半導體晶圓透過熱可塑性薄膜加以黏接的內容。 此外’專利文獻3中記載有:使用與半導體晶圓實質 上具有相同熱膨脹率的氧化鋁、氮化鋁、氮化硼、碳化矽 等材料’來作爲保護基板。又,使用聚醯亞胺等熱可塑性 樹脂’作爲黏接保護基板和半導體晶圓的黏接劑,而以該 黏接劑液的應用法而言,則提案有:形成厚度1 〇至 1 〇 〇 μπι之薄膜的方法、或將黏接劑樹脂溶液旋轉塗佈,加 φ 以乾燥而形成2 0 μ m以下之薄膜的方法。 〔專利文獻1〕日本特開2002— 270676號公報段落 (0035) 〔專利文獻2〕日本特開2 0 0 2 — 2 0 3 8 2 1號公報段落 (0018) 〔專利文獻3〕日本特開2 0 0 1 — 7 7 3 0 4號公報段落 (0〇1〇)(0017) _ 【發明內容】 c發明所欲解決之課題〕 如專利文獻1所揭示,使用保護膠帶的話,剝離時半 導體晶圓容易產生破裂或缺角。此外,僅藉由保護膠帶, 無法支撐半導體晶圓,所以搬送時必須透過人力,無法 自動化。 如專利文獻2或專利文獻3所揭示,若使用氧化鋁、 -6 - 200524679 (3) 氮化鋁、氮化硼、碳化矽等,作爲支撐板來取代保護膠帶 的話,可實施處理(handling )或搬送的自動化。然而, 使用將保護基板和半導體晶圓暫時乾燥的熱可塑性薄膜作 爲黏接手段。所以’必須進行將熱可塑性薄膜變軟的加熱 步驟,又,使用薄膜狀黏接材時,會有黏接強度部分不均 ’且出現硏磨時剝離’切割時反而難以剝離的部位等缺點 〔解決課題之手段〕 爲了解決上述課題,本發明之基板的貼附方法,是在 基板的電路形成面,塗佈黏接劑液後,將該黏接劑液進行 預備乾燥,使持黏接劑層的形狀得以維持,接著,將支撐 板推壓至上述黏接劑層,進行一體化,而在該推壓之同時 或推壓結束後,將上述黏接劑層加以乾燥。 藉由實施預備乾燥,可容易地控制黏接劑層的膜厚。 又,爲了獲致所需的厚度,亦可將黏接劑液的塗佈和預備 乾燥反覆進行複數次。 由於硏磨時是使用水,所以黏接劑以非水溶性的高分 子化合物爲佳’又,由於具有D A F ( d丨e a 11 a c h f i 1 m )的 貼附等高溫處理步驟,故以具有高軟化點爲理想。將上述 各點列入考慮時,則例如有:將漆用酚醛樹脂、環氧樹脂 、醯胺樹脂、矽樹脂、丙烯基樹脂、胺基甲酸以酯樹脂、 聚苯乙烯、聚乙烯醚、聚醋酸乙烯酯及其變性物或這些的 混合物溶解於溶劑之構成。其中’丙烯基系樹脂材料具有 -7 - 200524679 (4) 2 0 o C以上的耐熱性’所產生的氣體也較少,不易產生龜 裂’所以$x爲理想。此外,漆用酚醛樹脂亦沒有浮渣( scum )’耐熱性、所產生的氣體量及出現龜裂等方面雖劣 於丙嫌基fef 3曰材料,然而軟化點高,黏接後的溶劑剝離較 容易’所以是埋想的材%,此外,成膜時,爲了防止龜劣 ,亦可混合可塑劑。 €胃± $黏接劑的話,則可將上述預備乾燥步驟的溫 度設爲2 0 0 C以下(4 〇至2 〇 〇艽)、將上述乾燥步驟的溫馨 度δ又爲300C以下(4〇至3〇〇。(^ )。 又’、溶齊!!以可溶解上述物質,且均勻地成膜於晶圓者 爲佳’例如:丙酮、丁酮、環已烷、甲基異戊酮、2 一庚 酮等酮類;乙二醇、丙二醇、二甘醇、乙烯乙二醇單乙酸 酷、丙稀乙二醇單乙酸酯、二乙烯乙二醇或這些的單甲醚 、單乙_、單丙醚、單丁醚或單酚醚等的多元醇類及其衍 生物;二氧陸圜等環式醚類;及乳酸乙酯、乙酸甲酯、乙 酸乙酯、乙酸丁酯、丙酮酸甲酯、丙酮酸乙酯、甲氧基甲 H 基丙酸、甲氧基乙基丙酸等酯類、苯、甲苯、二甲苯等芳 香族碳氫類。這些構成可單獨使用,亦可混合兩種以上來 使用。尤其,以乙二醇、丙二醇、二甘醇、乙烯乙二醇單 乙酸酯、丙烯乙二醇單乙酸酯、二乙烯乙二醇或這些的單 甲醚、單乙醚、單丙醚、單丁醚或單酚醚等的多元醇類及 其衍生物爲佳。再者,爲了提昇膜厚的均勻性,亦可添加 活性劑。 又’就用以去除黏接劑的剝離液而言’加Α上述溶劑 -8- 200524679 (5) ,亦可使用甲醇、乙醇、丙醇、異丙醇、丁醇等的一元醇 類、γ —丁內酯等環狀內酯類、乙醚或茴香酸等酸類、二 甲基甲醛、二甲基乙醛等。特別理想的材料是例如可安全 處理的甲醇。 所使用的支撐板以在厚度方向具有多數貫穿孔爲佳。 藉由形成此種支撐板構造,黏接劑的一部分可進入w穿孔 ,使接合度變強固,同時,剝離時可從該貫穿孔供給醇。 此外’在半導體晶圓等基板的電路形成面,藉由旋轉 塗佈方式塗佈黏接劑時’會有在周緣部形成較高的珠粒部 之情形。此時,以將該黏接劑層進行預備乾燥前,將珠粒 部藉由溶劑加以去除爲佳。 根據本發明,將半導體晶圓等基板薄片化時,不僅可 透過膠帶,亦可藉由具有剛性的支撐板支持,故可實施操 作或搬送的自動化。再者,將基板和支撐板黏接時,將黏 接劑液塗佈於基板表面後,進行預備乾燥,故可控制黏接 劑層的厚度,且面內的黏接強度也得以均勻。 【實施方式】 以下,依據附圖,說明本發明之實施形態。第1圖是 I兌明包括本發明之半導體晶圓之貼附方法的半導體晶圓薄 片化步驟圖。 本發明中,首先在半導體晶圓W的電路(元件)形 成面’塗佈黏接劑液。塗佈時是使用例如旋轉器(s p i η 11 e r )。黏接劑液是丙烯基系樹脂或漆用酚醛式(novolac -9 - 200524679 (6) type )的苯酚樹脂系材料 繼之,將上述黏接劑液進行預備乾燥,以降低其流動 性’使黏接劑層1的形狀得以維持。預備乾燥的進行方式 是使用烤爐(〇 v e η )以例如8 0 °C進行5分鐘的加熱。黏 接劑層1的厚度是由形成於半導體晶圓W表面之電路的 凹凸來決定。此外,當一次塗佈無法形成所需之厚度時, 則將塗佈和預備乾燥反覆進行複數次。此時,要加強除了 最上層之外之黏接劑層的預備乾燥,使黏接劑不會流動。 又,使用旋轉器塗佈黏著劑液時,如第2圖所示,預 備乾燥後,半導體晶圓W的邊緣部會產生突起。而關於 該突起,亦可藉由後續步驟的按壓(press )壓碎,亦可 藉由處理液去除突起的部分。 如上所述,在形成有預定厚度之黏著劑層1的半導體 晶圓W上,貼附支撐板2。如第3圖所示,支撐板2是以 稍微大於半導體晶圓W的直徑,使用厚度爲0.5mm的鐵 —鎳合金(鎳3 6 %的合金··因鋼(i n v a r ) ) ,Φ 0 · 5 m m之 貫穿孔3爲〇 · 7mm間距形成者,又,其外緣部是沒有貫 穿孔的平坦部4。 將上述支撐板2疊合於半導體晶圓W的黏接劑層1 上,並使用第4圖所示之貼附機5予以貼附。 在黏貼機5之底板5 1的上方’配置頂板5 2 ’驅動馬 達5 3可令該頂板5 2升降移動,又,在頂板5 2的下面安 裝陶瓷燒結板5 4,並在該燒結板5 4連接排氣管5 5。 使用該貼附機5進行貼附時,是以在底板5 1上半導 -10- 200524679 (7) 體晶圓W位於下方,支撐板2位於上方之方式配置,接 著,驅動馬達5 3,使頂板5 2下降,將燒結板5 4推壓至 支撐板2。此時,亦可同時進行加熱(2 0 0 °C以下),將 黏接劑層1中的溶劑經由燒結板5 4及排氣管5 5去除。 其後,將一體化的半導體晶圓W和支撐板2從貼附 機5卸下,利用硏磨機1 〇硏磨半導體晶圓W的背面(B 面),將半導體晶圓 W薄片化。此外,硏磨中,爲了抑 制硏磨機1 0和半導體晶圓W之間所產生的摩擦熱,故一 __ 邊將水供給至半導體晶圓 W的背面,一邊進行硏磨。於 此,上述黏接劑是選定不可溶於水(可溶於醇)之構成, 故硏磨時支撐板2不會從半導體晶圓W剝離。 在該薄片化之半導體晶圓 W的背面(B面),形成 所需的電路等後,將該背面固定於切割膠帶1 1上。該切 割膠帶1 1具有黏著性,同時可保持於框架1 2。 接著,如第5圖所示,從支撐板2的上方注入醇(尤 其是低分子醇),將黏接劑層予以溶解去除。此時,利用 φ 未圖示之旋轉器令框架1 2旋轉,可使醇在短時間內遍及 黏接劑層1的整面。 卸下支撐板2後,利用切割裝置1 3將半導體晶圓W 切斷成晶片尺寸。切斷後,在切割膠帶1 1照射紫外線, 降低切割膠帶1 1的黏著力,而將切斷的晶片一個個地取 出。 【圖式簡單說明】 -11 - 200524679 (8) 第1圖是說明部分使用本發明之半導體晶圓的貼附方 法的半導體晶圓的薄片化步驟圖。 第2圖是說明預備乾燥後之半導體晶圓邊緣部之黏接 劑的突起之圖。 第3圖是支撐板的剖面圖。 第4圖是貼附機的槪略圖。 第5圖是從支撐板的上方供給醇的狀態圖。 第6圖是說明習知半導體晶圓之薄片化步驟圖。 【主要元件符號說明】 1 黏接劑層 2 支撐板 3 貫穿孔 4 平坦部 5 貼附機 10 硏磨機 11 切割膠帶 12 框架 13 切割裝置 5 1 底板 52 頂板 53 馬達 54 燒結板 55 排氣管 - 12- 200524679 (9) W 半導體晶圓
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Claims (1)
- 200524679 (1) 十、申請專利範圍 1 · 一種基板之貼附方法,藉由硏磨將半導體晶圓等基 板薄片化前’先將上述基板的電路形成面貼附於支撐板的 方法,其特徵爲 在基板的電路形成面,塗佈黏接劑液後,將該黏接劑 液進行預備乾燥,使持黏接劑層的形狀得以維持,接著, 將支撐板推壓至上述黏接劑層,進行一體化,而在該推壓 之同時或推壓結束後,將上述黏接劑層加以乾燥。 2 .如申請專利範圍第1項之基板之貼附方法,其中, 上述黏接劑液是使用漆用酚醛式的苯酚樹脂系材料 3 ·如申請專利範圍第1項之基板之貼附方法,其中, 上述支撐板是使用於厚度方向具有多數貫穿孔的構成,又 ,上述預備乾燥是施行到推壓時黏接劑不會從上述貫穿孔 滲出爲止。 4 .如申請專利範圍第1項之基板之貼附方法,其中, 爲了將上述黏接劑層變厚,可將黏接劑液的塗佈和預備乾 燥重複進行複數次。 5 .如申請專利範圍第1項之基板之貼附方法,其中, 上述預備乾燥步驟的溫度是20(TC以下,上述乾燥步驟的 溫度是3 00 °C以下。 6 .如申請專利範圍第1項之基板之貼附方法,其中, 上述黏接劑可溶於醇或酮。 7 .如申請專利範圍第1項之基板之貼附方法,其中, 在上述基板的電路形成面塗佈黏接劑液後,將該黏接劑液 -14- 200524679 (2) 進行預備乾燥前,藉由溶液將形成於基板周緣部的黏接劑 液珠粒部(b e a d )去除。 8 ..如申請專利範圍第1項之基板之貼附方法,其中, 上述黏接劑液是使用丙烯基系樹脂材料。-15-
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JP4497737B2 (ja) | 2001-03-12 | 2010-07-07 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
JP3479648B2 (ja) * | 2001-12-27 | 2003-12-15 | クラリアント インターナショナル リミテッド | ポリシラザン処理溶剤およびこの溶剤を用いるポリシラザンの処理方法 |
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CN100474550C (zh) | 2009-04-01 |
KR20050053020A (ko) | 2005-06-07 |
US20050170612A1 (en) | 2005-08-04 |
KR101043486B1 (ko) | 2011-06-23 |
CN1655337A (zh) | 2005-08-17 |
JP2005191550A (ja) | 2005-07-14 |
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