TW200941071A - Resin sheet for circuit substrates, sheet for circuit substrates, and circuit substrate for displays - Google Patents
Resin sheet for circuit substrates, sheet for circuit substrates, and circuit substrate for displays Download PDFInfo
- Publication number
- TW200941071A TW200941071A TW098102702A TW98102702A TW200941071A TW 200941071 A TW200941071 A TW 200941071A TW 098102702 A TW098102702 A TW 098102702A TW 98102702 A TW98102702 A TW 98102702A TW 200941071 A TW200941071 A TW 200941071A
- Authority
- TW
- Taiwan
- Prior art keywords
- circuit board
- resin sheet
- acrylate
- circuit
- meth
- Prior art date
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- 239000011347 resin Substances 0.000 title claims abstract description 104
- 229920005989 resin Polymers 0.000 title claims abstract description 104
- 239000000758 substrate Substances 0.000 title claims abstract description 30
- 239000002861 polymer material Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 35
- 238000003860 storage Methods 0.000 claims description 25
- 239000004519 grease Substances 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 abstract description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 53
- -1 2-ethylhexyl Chemical group 0.000 description 46
- 238000001723 curing Methods 0.000 description 26
- 239000007787 solid Substances 0.000 description 22
- 238000000576 coating method Methods 0.000 description 19
- 239000010408 film Substances 0.000 description 19
- 239000000178 monomer Substances 0.000 description 19
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 18
- 229920005862 polyol Polymers 0.000 description 17
- 229920000058 polyacrylate Polymers 0.000 description 14
- 239000000126 substance Substances 0.000 description 13
- 229920001577 copolymer Polymers 0.000 description 11
- 239000011521 glass Substances 0.000 description 11
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 10
- 239000003999 initiator Substances 0.000 description 10
- 239000011651 chromium Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 239000010419 fine particle Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 8
- 239000003431 cross linking reagent Substances 0.000 description 8
- 125000000524 functional group Chemical group 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 8
- 239000004926 polymethyl methacrylate Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 238000005227 gel permeation chromatography Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920001228 polyisocyanate Polymers 0.000 description 7
- 239000005056 polyisocyanate Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 229920006254 polymer film Polymers 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
- 239000007983 Tris buffer Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- 230000032050 esterification Effects 0.000 description 4
- 238000005886 esterification reaction Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
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- 238000005259 measurement Methods 0.000 description 4
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- 230000004048 modification Effects 0.000 description 4
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- 150000003077 polyols Chemical class 0.000 description 4
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 4
- 229920003122 (meth)acrylate-based copolymer Polymers 0.000 description 3
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 3
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000003700 epoxy group Chemical group 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
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- 229920002635 polyurethane Polymers 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 3
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 description 2
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 2
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
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- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
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- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 239000002585 base Substances 0.000 description 2
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- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
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- 238000000691 measurement method Methods 0.000 description 2
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- 239000000203 mixture Substances 0.000 description 2
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- 125000000466 oxiranyl group Chemical group 0.000 description 2
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- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- H—ELECTRICITY
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- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/93—Batch processes
- H01L24/95—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
- H01L24/96—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being encapsulated in a common layer, e.g. neo-wafer or pseudo-wafer, said common layer being separable into individual assemblies after connecting
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
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- H—ELECTRICITY
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Description
.200941071 六、發明說明: 【發明所屬之技術領域】 本發明係關於一種顯示器用之電路基板用樹 路基板用片及顯示器用電路基板。更詳言之,本 . 於爲了在品質佳、高生產性之狀況下有效率的製 制顯示器用(尤其,平面顯示器用)之各像素而 晶片之電路基板的硬化物之耐熱性優良的電路基 片、電路基板用片、及使用它所得之由埋入電路 〇 之顯示器用電路基板。 【先前技術】 習知,於液晶顯示器所代表之平面顯示器中 藉由CVD法(化學蒸氣沈積法)等,在玻璃基板 層絕緣膜、半導體膜等,經歷相同於製作半導體 之步驟,在構成畫面之各像素附近,形成薄膜電晶 等之微小電子元件,藉此以進行各像素的開、關 控制。亦即,在玻璃基板上之位置點製作TFT等 © 子元件。然而,於如此之技術中,步驟既爲多階段 將無法避免成本變高,另外,一旦顯示面積擴大 有爲了在玻璃基板上形成膜之CVD裝置等將大型 將大幅上升等之問題。 因此,以成本削減爲目的,已揭示一種技術 印刷墨水之方式,來使微小結晶矽積體電路晶片 刷原板,藉由印刷技術等之手段,以將該印刷原 示器用之玻璃基板上的既定位置而予以固定(例 脂片、電 發明係關 作爲了控 埋入電路 板用樹脂 晶片而成 ,例如, 上依序積 積體電路 體(TFT ) 、濃淡之 之微小電 且繁雜, 時,也具 化,成本 ,其係如 附著於印 板移至顯 如,參照 200941071 專利文獻1)。此情形下,預先在玻璃基板上形成高分子 膜,藉由印刷技術等之手段,以將微小結晶矽積體電路晶 片移至該高分子膜上,並利用熱成形或加熱壓縮等之方 法,進行將該晶片埋入高分子膜中。然而,利用如此之方 法,除了高分子膜之歪斜或發泡等之不恰當將容易發生之 外,也由於加熱上費時,並無效率。 另外,已揭示一種電路基板用片,其係使用得自能量 線硬化型高分子材料之電路基板用樹脂片以取代該高分子 © 膜,藉由將電路晶片埋入時及埋入後之各自的儲存彈性係 數控制於既定範圍,即使不進行加熱,電路晶片埋入也爲 可能(例如,參照專利文獻2)。 藉由使用如此之電路基板用樹脂片,在高生產率下效 率良好的製作埋入電路晶片之顯示器用電路基板。然而, 針對耐熱性,由現有之能量線硬化型高分子材料而成之樹 脂片的硬化物,未必能夠充分滿足,具有裂痕發生於埋入 電路晶片的該硬化物上所形成之配線中之情形等問題。 © 專利文獻1 :日本專利特開2003 -24843 6號公報 專利文獻2:日本專利特開2006-323335號公報 【發明内容】 發明所欲解決之技術問題 於如此之狀況下,本發明之目的在於提供爲了在品質 佳、高生產性之狀況下,有效率的製作爲了控制顯示器用 (尤其,平面顯示器用)之各像素而埋入電路晶片之電路 基板的硬化物之耐熱性優良的顯示器用之電路基板用樹脂 200941071 片、電路基板用片、及使用其所得之由埋入電路晶片而成 之顯示器用電路基板。 解決問顆之技術丰段 本發明人等爲了達成該目的,不斷鑽硏之結果發現: 將得自能量線硬化型高分子材料之物作爲電路基板用樹脂 片使用,並且藉由將上述樹脂片之在藉能量線照射硬化前 的雙鍵濃度設爲特定之範圍,能夠達成其目的,於是根據 此見解而完成本發明。 © 亦即,本發明係提供下列之內容: 〔1〕一種電路基板用樹脂片,其係得自用以埋入電路晶片 之能量線硬化型高分子材料之電路基板用樹脂片,其特徵 爲在藉能量線照射硬化前的雙鍵濃度爲4.5〜25mmol/g ; 〔2〕上述〔1〕項揭示之電路基板用樹脂片,其中在藉能 量線照射硬化後,依據JIS K7244-4所測定之於150°C的儲 存彈性係數E’爲1.0xl08Pa以上; 〔3〕一種電路基板用片,其特徵係在載體上形成上述〔1〕 ® 或〔2〕項揭示之電路基板用樹脂片的單面;及 〔4〕一種顯示器用電路基板,其係特徵將電路晶片埋入上 述〔3〕項揭示之電路基板用片的電路基板用樹脂片表面 中,對其照射能量線而予以硬化。 發明之效果 若根據本發明,藉由將硬化前之雙鍵濃度於某範圍之 物,作爲用以埋入電路晶片之得自能量線硬化型高分子材 料之電路基板用樹脂片,能夠得到埋入具有充分耐熱性之 200941071 電路晶片的電路基板。 【實施方式】 首先,針對本發明之電路基板用樹脂片加以說明。 〔電路基板用樹脂片〕 本發明之電路基板用樹脂片係一種得自用以埋入電路 晶片之得自能量線硬化型高分子材料的電路基板用樹脂 片,其特徵爲在藉、能量線照射硬化前的雙鍵濃度爲4.5〜 2 5 mmo Ι/g 〇 © 若該雙鍵濃度低於4.5mmol/g時,該電路基板用樹脂片 之硬化物將成爲耐熱性不足之物,其結果’將有在埋入電 路晶片的電路基板之上所形成之配線中產生裂痕之情形。 另一方面,針對製作該雙鍵濃度超過25 mmol/g之電路基板 用樹脂片,必須增多樹脂片中之低分子量成分的單體或寡 聚物之量,硬化前之樹脂片將變得容易變形。該雙鍵濃度 較佳爲5〜20mmol/g,更佳爲6〜15mmol/g。還有’若使用 本發明之電路基板用樹脂片時,雖然能夠防止配線中產生 φ 裂痕之理由尙未明確,據推測係由於隨著電路基板用樹脂 片之硬化物的溫度變化(配線形成時係150°C以上、配線 形成後則降溫至室溫)之伸縮受到抑制。 還有,該雙鍵濃度係進行如下方式所測得之値: <雙鍵濃度之測定法> 電路基板用樹脂片中之雙鍵濃度係藉1 H-NMR測定而 進行。使用六甲基二環己烷作爲內部標準物質使用,內部 標準物質及符合的紫外線硬化前之電路基板用樹脂片稱量 至mg單位。使其溶解於重氫化氯仿或重氫化二甲基亞碾中 200941071 之後而進行1η-nmr測定,從所得之光譜而求出雙鍵官能 基的mmol數。藉由以電路基板用樹脂片之質量除以此雙 鍵官能基之mmol數値而求出雙鍵濃度(mm〇l/g)。 於本發明中,如後所說明,該雙鍵濃度能夠藉由能量 線硬化型高分子材料中所含之聚合性寡聚物中之多官能聚 合性寡聚物、或聚合性單體中之多官能聚合性單體的種類 及量等而加以控制。 另外,於本發明之電路基板用樹脂片中,在藉活性能 量線照射硬化後之於150°C的儲存彈性係數E’較佳爲1·0χ l〇8Pa以上。若此儲存彈性係數E’爲l.〇xl〇8Pa以上的話, 藉活性能量線照射硬化後,將成爲具優越耐熱性之物,在 其表面,例如利用濺鍍法等之配線形成將成爲可能。 於該150 °C的儲存彈性係數E’之上限並無特別之限 制,通常約爲l.〇xl〇12Pa。更佳之彈性係數E’爲l.OxlO8 〜1.0xl09Pa。 若上述雙鍵濃度爲4.5 mm ol/g以上時,該彈性係數E’ 通常成爲1 ·〇χΐ〇8 Pa以上。 還有,該彈性係數E ’係進行如下方式所測定之値: <儲存彈性係數E’之測定法> 以照度400mW/cm2、曝光量300mJ/cm2之條件,於25 °C,將熔融製Η燈泡作爲光源的紫外線照射於電路基板用 樹脂片而予以硬化之後,以升溫速度3 °C /min而使初期溫 度15 °C升溫至150 °C爲止,藉動態黏彈性係數測定裝置〔TA Instrument公司製、機種名「DMA Q800」〕,以頻率11Hz, 依照JISK7244-4而測定於150°C的儲存彈性係數E’。 200941071 <能量線硬化型高分子材料> 於本發明中,所謂能量線硬化型高分子材料,其係指 於電磁波或荷電粒子線之中具有能量量子的高分子材料, 亦即藉由照射紫外線或電子線等而加以交聯的高分子材 料。 本發明所用之該能量線硬化型高分子材料,例如,可 列舉:(1)含有丙烯酸系聚合物與能量線硬化型聚合性寡 聚物及/或聚合性單體、與依需求之光聚合引發劑的高分子 ❹ 材料;(2)含有在側鏈中具有聚合性不飽和基之能量線硬 化型丙烯酸系聚合物、與依需求之光聚合引發劑的高分子 材料等。 於該(1)之高分子材料中,丙烯酸系聚合物可列舉: 酯部分的烷基碳數1〜20之(甲基)丙烯酸酯之聚合物、 或是(甲基)丙烯酸酯、與含有具有依需求所用之活性氫 的官能基之單體及其他單體的共聚物,亦即較佳爲(甲基) 丙烯酸酯系共聚物。於本發明中,所謂「(甲基)丙烯酸…」 ❾ 係意指「丙稀酸…」及「甲基丙燃酸…」兩者。 於此’酯部分的烷基碳數1〜20之(甲基)丙烯酸酯 之例子’可列舉:(甲基)丙烯酸甲酯、(甲基)丙烯酸 乙酯、(甲基)丙烯酸丙酯、(甲基)丙烯酸丁酯、(甲 基)丙烯酸戊酯、(甲基)丙烯酸己酯、(甲基)丙烯酸 環己酯、(甲基)丙烯酸-2-乙基己酯、(甲基)丙烯酸異 辛酯、(甲基)丙烯酸癸酯、(甲基)丙烯酸十二烷酯、 (甲基)丙烯酸十四烷酯、(甲基)丙烯酸十六烷酯、(甲 基)丙烯酸十八烷酯等。此等(甲基)丙烯酸酯可以單獨 200941071 使用,也可以組合二種以上而使用。 另一方面,含有具有依需求所用之活性氫的官能基單 體之例子,可列舉:(甲基)丙烯酸-2-羥基乙酯、(甲基) 丙烯酸-2-羥基丙酯、(甲基)丙烯酸-3·羥基丙酯、(甲基) 丙烯酸-2-羥基丁酯、(甲基)丙烯酸-3-羥基丁酯、(甲基) 丙烯酸-4-羥基丁酯等之(甲基)丙烯酸羥基烷酯;(甲基) 丙烯酸單甲胺基乙酯、(甲基)丙烯酸單乙胺基乙酯、(甲 基)丙烯酸單甲胺基丙酯、(甲基)丙烯酸單乙胺基丙酯 φ 等之(甲基)丙烯酸單烷胺基烷酯;丙烯酸、甲基丙烯酸、 巴豆酸、馬來酸、衣康酸、檸康酸等之乙烯性不飽和羧酸 等。此等之單體可以單獨使用,也可以組合二種以上而使 用。 於(甲基)丙烯酸酯系共聚物中,(甲基)丙烯酸酯 單位係含有5〜100質量%,較佳爲含有50〜95質量% ; 含有具有活性氫之官能基的單體單位係含有0〜95質量 %,較佳爲含有5〜50質量% ^ Q 另外,依需求所用之其他單體例子,可列舉:乙酸乙 烯酯、丙酸乙烯酯等之乙烯酯類;乙烯、丙烯、異丁烯等 之烯烴類:氯乙烯、偏氯乙烯等之鹵化烯烴類;苯乙烯、α· 甲基苯乙烯等之苯乙烯系單體;丁二烯、異戊二烯、氯丁 二烯等之二烯系單體;丙烯腈、甲基丙烯腈等之腈系單體; 丙烯醯胺、Ν-甲基丙烯醯胺、Ν,Ν-二甲基丙烯醯胺等之丙 烯醯胺類等。此等單體可以單獨使用,也可以組合二種以 上而使用。(甲基)丙烯酸酯系共聚物中,此等單體單位 能夠含有0〜30質量%。 -10- 200941071 於該高分子材料中’作爲丙燃酸系聚合物所用之(甲 基)丙烯酸酯系共聚物’針對其共聚合形態,並無特別之 限制,可以爲無規、嵌段、接枝共聚物中任一種。另外, 分子量係重量平均分子量,較佳爲30,〇〇〇以上。 還有,上述重量平均分子量係利用凝膠滲透層析儀 (GPC )法測出的標準聚苯乙烯換算之値。 於本發明中,此(甲基)丙烯酸酯系共聚物可以單獨 使用一種,也可以組合二種以上而使用。 0 另外,能量線硬化型聚合性寡聚物,例如,可列舉: 聚酯丙烯酸酯系、環氧丙烯酸酯系、胺甲酸酯丙烯酸酯系、 聚醚丙烯酸酯系、聚丁二烯丙烯酸酯系、矽氧烷丙烯酸酯 系、多元醇丙烯酸酯系等。於此,聚酯丙烯酸酯系寡聚物 係藉由例如利用(甲基)丙烯酸以酯化在藉多價羧酸與多 元醇的縮合所得之在兩末端具有羥基的聚酯寡聚物之羥 基,或是利用(甲基)丙烯酸以酯化將環氧烷加成於多價 羧酸所得之寡聚物末端之羥基而能夠得到。例如,環氧丙 φ 烯酸酯系寡聚物係藉由在較低分子量之雙酚型環氧樹脂或 酚醛型環氧樹脂之環氧乙烷環上,與(甲基)丙烯酸反應、 經酯化而能夠得到。另外,也能夠使用藉二鹽基性羧酸酐 以部分改性此環氧丙烯酸酯系寡聚物之羧基改性型環氧丙 烯酸酯系寡聚物》例如,胺甲酸酯丙烯酸酯系寡聚物能夠 藉由利用(甲基)丙烯酸以酯化在依照聚醚多元醇或聚酯 多元醇與聚異氰酸酯的反應所得之聚胺甲酸酯寡聚物而能 夠得到;多元醇丙烯酸酯系寡聚物係藉由利用(甲基)丙 烯酸以酯化在聚醚多元醇之羥基而能夠得到。 200941071 於本發明中,使電路基板用樹脂片中之雙鍵濃度、及 能量線硬化後之該樹脂片之於150°C的儲存彈性係數E’成 爲上述既定範圍之方式來進行,上述聚合性寡聚物較佳爲 在側鏈中具有許多聚合性基的高分枝寡聚物,例如較佳爲 高分枝多元醇(甲基)丙烯酸酯等。 上述聚合性寡聚物之重量平均分子量係利用GPC法測 出的標準聚苯乙烯換算之値,較佳爲選定5 00〜1 00,0〇〇, 更佳爲1,〇〇〇〜70,000,進一步更佳爲3,000〜40,000之範 ❹圍。 還有,上述重量平均分子量係利用凝膠滲透層析儀 (GPC )法測出的標準聚苯乙烯換算之値,只要無特別申 明,透過本發明而利用以下之條件加以測定。 裝置:GPC測定裝置〔Toso股份公司製、商品名 「HLC-8020層析儀」〕 管柱:〔Toso股份公司製、商品名「TSK-GEL GMHXL」 (2 支)及「TSK-GEL G2000HXL」(1 支)〕 ^ 溶出溶劑:四氫呋喃 濃度1% 注入量:80μ1
溫度:4 0 °C 流速:1.0ml/分鐘 此聚合性寡聚物可以單獨使用一種,也可以組合二種 以上而使用。 另一方面,基於與上述同樣之理由,能量線硬化型聚 合性單體較佳爲多官能性(甲基)丙烯酸酯類。此多官能 -12- 200941071 性(甲基)丙烯酸酯類之例子,可列舉:二(甲基)丙烯 酸-1,4-丁二醇酯、二(甲基)丙烯酸-1,6-己二醇酯、二(甲 基)丙烯酸新戊二醇酯、二(甲基)丙烯酸聚乙二醇酯、 二(甲基)丙烯酸新戊二醇己二酸酯、二(甲基)丙烯酸 羥基三甲基乙酸新戊二醇酯、二(甲基)丙烯酸二環戊酯、 二(甲基)丙烯酸己內酯改性二環戊酯、二(甲基)丙烯 酸環氧乙烷改性磷酸酯、二(甲基)丙烯酸烯丙基化環己 酯、二(甲基)丙烯酸異氰酸酯、二羥甲基三環癸烷二(甲 φ 基)丙烯酸酯、三(甲基)丙烯酸三羥甲基丙烷酯、三(甲 基)丙烯酸二季戊四醇酯、三(甲基)丙烯酸丙酸改性二 季戊四醇酯、三(甲基)丙烯酸季戊四醇酯、三(甲基) 丙烯酸環氧丙烷改性三羥甲基丙烷酯、異氰酸參(丙烯醯 氧乙基)酯、五(甲基)丙烯酸丙酸改性二季戊四醇酯、 六(甲基)丙烯酸二季戊四醇酯、六(甲基)丙烯酸己內 酯改性二季戊四醇酯、己內酯改性參(丙烯醯氧乙基)異 氰酸酯、七(甲基)丙烯酸三季戊四醇酯等。此等之聚合 ^ 性單體可以使用一種,也可以組合二種以上而使用。 此等之聚合性寡聚物或聚合性單體的用量係使硬化前 之電路基板用樹脂片中之雙鍵濃度在上述範圍之方式,另 外’較佳藉由能量線之施加,使硬化後之電路基板用樹脂 片之於150°C的儲存彈性係數E’成爲l.〇xl〇8pa以上之方式 來予以選定,相對於100質量份之(甲基)丙烯酸酯系共 聚物的固形成分,通常能夠摻合3〜400質量份。 另外,通常照射作爲能量線之紫外線或電子線,於照 射紫外線之際,能夠使用光聚合引發劑。例如,此光聚合 -13- 200941071 引發劑可列舉:苯偶姻、苯偶姻甲基醚、苯偶姻乙基醚、 苯偶姻異丙基醚、苯偶姻正丁基醚、苯偶姻異丁基醚、苯 乙酮、二甲胺基苯乙酮、2,2-二甲氧基-2-苯基苯乙酮、2,2-二甲氧基-1,2-二苯基乙-1-酮、2,2-二乙氧基-2-苯基苯乙 酮、2 -經基-2 -甲基-1-苯基丙-1-酮、1-羥基環己基苯基酮、 2 -甲基-1-〔 4-(甲硫基)苯基〕-2 -嗎琳丙-1-醒、4- ( 2-羥基乙氧基)苯基-2-(羥基-2-丙基)酮、二苯甲酮、對苯 基二苯甲酮、4,4’-二乙胺二苯甲酮、二氯二苯甲酮、2-甲 ❹ 基葱、2 -乙基蒽、2 -三級丁基蒽、2·胺基惠、2 -甲硫基噻順 酮、2 -乙硫基噻噸酮、2-氯噻噸酮、2,4-二甲基噻噸酮、2,4-二乙基噻噸酮、苄基二甲基縮酮、苯乙酮二甲基縮酮、對 二甲胺安息香酸酯、〔2-羥基-2-甲基-1-〔 4- ( 1-丙醯基) 苯基〕丙酮〕寡聚物等。此等光聚合引發劑可以使用一種, 也可以組合二種以上而使用。 相對於100質量份之上述能量線硬化型高分子材料的 固形成分,摻合量通常爲0.1〜10質量份。 φ 接著’於該(2)之高分子材料中,在側鏈中具有聚合 性不飽和基之能量線硬化型丙烯酸系聚合物,可列舉:將 —COOH、一 NCO、環氧基' —、— ΝΗ2等之活性點導 入例如上述(1)之高分子材料中所說明的丙烯酸系聚合物 之聚合物鏈中,使此活性點與具有聚合性不飽和基之化合 物反應’由將具有聚合性不飽和基之能量線硬化型官能基 導入該丙烯酸系聚合物的側鏈中之物。 爲了將該活性點導入丙烯酸系聚合物,於製造該丙烯 酸系聚合物之際,最好使具有—COOH、一 NCO、環氧基、 -14- 200941071 -OH、- NH2等之官能基與聚合性不飽和基的單體或寡聚 物共存於反應系中。 具體而言,於製造上述(1)之高分子材料中所說明的 丙烯酸系聚合物之際,導入一 COOH基之情形下,最好使 用(甲基)丙烯酸等;導入一 NCO基之情形下,最好使用 2-(甲基)丙烯醯氧乙基異氰酸酯等;導入環氧基之情形 下,最好使用(甲基)丙烯酸縮水甘油酸酯等;導入一 OH 基之情形下,最好使用(甲基)丙烯酸-2-羥乙酯、單(甲 ❹ 基)丙烯酸-1,6-己二醇酯等;導入—NH2之情形下,最好 使用N -甲基(甲基)丙烯醯胺等。 按照活性點之種類,具有與此等活性點反應的聚合性 不飽和基之化合物,能夠由例如2-(甲基)丙烯醯氧乙基 異氰酸酯、(甲基)丙烯酸縮水甘油酸酯、單(甲基)丙 烯酸季戊四醇酯、單(甲基)丙烯酸二季戊四醇酯、單(甲 基)丙烯酸三羥基丙烷酯等之中,加以適當選擇而使用。 進行如此方式,可以得到一種丙烯酸系聚合物,其係 ^ 由使該活性點介於中間,將具有聚合性不飽和基之能量線 硬化型官能基導入丙烯酸系聚合物之側鏈中而成。 此能量線硬化型丙烯酸系聚合物之重量平均分子量較 佳爲3 0,000以上,尤以5 0,000以上特別理想。還有,上 述重量平均分子量係利用GPC法測出的標準聚苯乙烯換算 之値。 另外,依需求所用之光聚合引發劑能夠使用上述(1) 之高分子材料的說明所例示之光聚合引發劑。 於本發明中,基於抑制藉所得之電路基板用樹脂片的 -15- 200941071 能量線所造成之硬化時的體積收縮,並且使耐熱性提高等 之目的下,能夠使該能量線硬化型材料中含有無機微粒。 該無機微粒能夠使用例如矽、鈦、锆、錫、鋁、鐵等 之各種金屬元素的氧化物或碳化物等,此等無機微粒之 中,基於體積收縮之抑制效果、透光性、經濟性等均衡之 觀點,較佳爲二氧化矽微粒。 於本發明中,此無機粒子可以單獨使用一種,也可以組 合二種以上而使用。另外,基於透明性、均勻分散性、抑 φ 制體積收縮效果等之觀點,其平均粒徑較佳於3〜50nm之 範圍,更佳於5〜30 nm之範圍。還有,於本發明中之平均 粒徑係基於藉BET法所得之算出値。 使用二氧化矽微粒之情形,二氧化矽微粒適宜爲分散 於醇系或溶纖素系等之有機溶劑中的有機二氧化矽溶膠。 於本發明中,該無機微粒係用以抑制二次凝聚、可以 均質分散於能量線硬化型高分子材料中,也可以使用已進 行表面修飾處理之無機微粒。表面修飾處理方法並無特別 φ 之限制,習知方法可列舉:例如使用有機矽烷化合物之方 法或使用界面活性劑之方法等,按照無機微粒之種類與能 量線硬化型高分子材料之種類,較隹加以適當選擇。例如, 將二氧化矽微粒作爲無機微粒使用之情形下,有利於使用 有機矽烷化合物以進行表面修飾處理;二氧化矽微粒以外 的無機微粒之情形下,有利於使用界面活性劑以進行表面 修飾處理。 於該(1)及(2)之能量線硬化型高分子材料中,於 本發明之效果不受損害之範圍內,能夠依需求而添加交聯 -16- .200941071 劑、黏著賦與劑、抗氧化劑、紫外線吸收劑、光安 軟化劑等》 例如’該交聯劑可列舉:聚異氰酸酯化合物、環_ 三聚氰胺樹脂、尿素樹脂、二醛類、羥甲基聚合物 系化合物、金屬螯合物、金屬醇鹽、金屬鹽等,較 聚異氰酸酯化合物。相對於100質量份之上述(甲 烯酸酯系共聚物的固形成分,此交聯劑能夠摻合0' 量份。 n 於此’聚異氰酸酯化合物之例子,可列舉:甲 氰酸酯、二苯基甲烷二異氰酸酯、二甲苯二異氰酸 芳香族聚異氰酸酯;六亞甲基二異氰酸酯等之脂肪 氰酸酯;異佛酮二異氰酸酯、加氫之二苯基甲烷二 酯等之脂環式聚異氰酸酯等、及此等之縮合二脲物 酸酯物,再者,與乙二醇、丙二醇、新戊二醇、三 丙烷、(篦麻油等之含低分子活性氫化合物之反應物 物等。此等交聯劑可以單獨使用一種,也可以組合 ◎ 上而使用。 還有,該(1)及(2)之能量線硬化型高分子 用以控制電路基板用樹脂片中之雙鍵濃度、及能量 後之該樹脂片的儲存彈性係數E,,能夠對(1)之 硬化型高分子材料添加(2)之側鏈中具有聚合性不 之能量線硬化型丙烯酸系聚合物。同樣的,能夠對 能量線硬化型高分子材料添加(1)之丙烯酸系聚合 能量線硬化型聚合性寡聚物或能量線硬化型聚合性 (電路基板用樹脂片之製造方法) 定劑、 :樹脂、 、氮呒 佳使用 基)丙 ~ 30質 苯二異 酯等之 族聚異 異氰酸 、異氰 羥甲基 的加成 二種以 材料係 線硬化 能量線 飽和基 (2)之 物、或 na drffa 單體。 •17- .200941071 以下,列舉製造本發明之電路基板用樹脂 但是,本發明並未因此而受到特別限制。 藉由利用習知方法,例如刮刀塗布法、輥 塗布法、刮板塗布法、模頭塗布法、照相凹版 將已調整至含有該能量線硬化型高分子材料之 塗布液塗布/乾燥於剝離片之剝離劑層上,成爲 方式,來形成電路基板用樹脂片。該剝離片也 路基板用樹脂片之保管或保護而予以直接積層 © 電路基板用樹脂片之另一面,可以積層與該剝 力不同的剝離片,也可以不予以積層而直接使 之電路基板用片的製作。 於此,電路基板用樹脂片之厚度也依照其 通常約爲50〜1000 μιη,較佳爲80〜500 μιη。還 路基板用樹脂片的厚度之情形,藉由積層複數 電路基板用樹脂片之製造方法所製作之樹脂層 既定厚度之電路基板用樹脂片。 ® 該剝離片並無特別之限制,可列舉:在聚 聚丙烯薄膜等之聚烯烴薄膜、聚對苯二甲酸乙 酯薄膜上塗布矽氧烷樹脂等之剝離劑,設置剝 離片等。此剝離片之厚度通常約爲20〜150 μπι 〔電路基板用片〕 接著,針對本發明之電路基板用片加以說 之電路基板用片係由在載體上形成該電路基板 單面的構造所構成。該電路基板用樹脂片較佳 片之方法。 塗布法、桿 塗布法等, 適當濃度的 既定厚度之 可以爲了電 。再者,在 離片之剝離 用於所後述 使用條件, 有,增加電 片之依照該 ,能夠作成 乙烯薄膜或 二酯等之聚 離劑層之剝 明。本發明 用樹脂片之 之慘合等構 -18- 200941071 造係如上所述。 另一方面,針對載體並無特別之限制,通常 爲顯示器用載體所使用之透明載體之中,適當選 載體而使用。如此之載體可列舉:玻璃基板、或 薄膜狀之塑膠載體等。例如,玻璃基板能夠使用 玻璃、含鋇/鋸之玻璃、鋁矽酸玻璃、鉛玻璃、硼形 鋇硼矽酸玻璃、石英等而成之載體。另一方面, 膜狀之塑膠載體,例如,能夠使用由聚碳酸酯樹 Ο 酸樹脂、聚對苯二甲酸乙二酯樹脂、聚硫醚樹脂 脂、聚環烯烴樹脂等而成之載體。此等載體之厚 用途而加以適當選定,通常約爲20 μιη〜5 mm,較{ 〜2mm。 〔電路基板用片之製造方法〕 以下,針對製造此電路基板用片之方法,加 但是,本發明並未因此而予以特別限制。 第1種方法係在該電路基板用樹脂片之兩側 〇 片之情形,首先,藉由剝離輕剝離型剝離片,將 面與該載體相貼合以製作電路基板用片。 第2種方法係藉由利用該方法而在剝離片上 基板用樹脂片,之後,藉由直接與載體相貼合以 基板用片。 第3種方法係藉由利用習知方法,例如刮刀 輥塗布法、桿塗布法、刮板塗布法、模頭塗布法 版塗布法等,成爲既定厚度之方式來直接將該塗 能夠從作 擇任意之 是板狀或 由鹼石灰 7酸玻璃、 板狀或薄 脂、丙烯 、聚颯樹 度係按照 圭爲5 0 μιη 以舉例。 積層剝離 此剝離之 製作電路 製作電路 塗布法、 、照相凹 布液塗布/ -19- 200941071 乾燥於該載體上,並藉由形成電路基板用樹脂片以直接製 作電路基板用片。 第1種方法係適合於使用如玻璃基板的剛性載體之情 形,第2、第3種方法係適合於如薄膜狀塑膠之載體。 〔顯示器用電路基板〕 本發明之顯示器用電路基板係藉由將電路晶片埋入如 上述所得之電路基板用片的電路基板用樹脂片表面中,對 其照射能量線予以硬化而能夠製作。 © 若針對具體之方法加以說明,將被埋入之電路晶片放 置於剝離片上等,使電路基板用樹脂片面(電路基板用樹 脂片與剝離片相貼合之情形,預先剝離後而使用)連接於 該電路晶片之方式來將電路基板用片放置於其上,藉由約 0.05〜2.0MPa之載重,較佳於〇〜150°C,更佳於5〜100 °C之溫度埋入該晶片,照射能量線而使電路基板用樹脂片 硬化之後,藉由剝離已放置該電路晶片的剝離片,將可以 得到本發明之顯示器用電路基板。還有,加熱而埋入電路 © 晶片之情形下,能量線之照射可以於電路基板用樹脂片被 加熱之狀態下進行,也可以冷卻至室溫後進行。 通常能量線係使用紫外線或電子線。紫外線係藉由高 壓水銀燈、熔融Η燈、氙燈等而得到,另一方面,電子線 係藉電子線加速器等而得到。於此能量線之中,尤以紫外 線特別適合。此能量線之照射量係使硬化的硬化層之儲存 彈性係數成爲上述範圍之方式來加以適當選擇,例如,紫 外線之情形下,曝光量較佳爲100〜5000mJ/cm2;電子線 -20- .200941071 之情形,較佳約爲10〜lOOOkrad。 第1(a)圖〜第l(c)圖係使用本發明之電路基板用 片,顯示埋入電路晶片方法之一例的步驟說明圖。 首先,在載體1上,準備得自未硬化狀態之能量線硬 化型高分子材料的本發明之電路基板用樹脂片2的同時, 也將電路晶片3放置於剝離片4上〔(a)〕。接著,使電 路基板用樹脂片2連結於電路晶片3之方式來加以放置, 載重下以埋入該晶片,照射能量線而予以硬化〔(b)〕。 © 依照此操作,未硬化狀態之電路基板用樹脂片2係變成硬 化層,將電路晶片3埋入其中,加以固定的同時,本發明 之顯示器用電路基板5也容易從剝離片4被剝離〔(c)〕。 還有,也可以將電路晶片3放置於電路基板用樹脂片2之 上,依同樣方式而於載重下進行埋入。 若根據如此之方法,並非加熱高分子膜而埋入電路晶 片,而是藉由使用能量線硬化型高分子材料以埋入電路晶 片,之後加以硬化;爲了固定化電路晶片,使用高分子膜 〇 之情形的不恰當將難以發生,也能夠有效縮短操作時間。 於本發明中,適合於如此之方法,再者,能夠提供一 種埋入電路晶片之顯示器用電路基板,其具優越之埋入性 的同時,也具有高的耐熱性。 (配線形成) 進行如此方式,通常由埋入電路晶片、予以硬化處理、 固定化而成之顯示器用電路基板係在其表面上形成配線 (電路)》 -21 - •200941071 此配線形成之方法並無特別之限制,能夠由習知所進 行的方法之中,適當選擇任意之方法而加以實施。能夠利 用例如光刻技術以進行配線形成。若顯示其一例,首先將 正型或負型之光阻液塗布於由埋入電路晶片、經硬化處理 而成之電路基板用片上,形成光阻劑層。接著,隔著既定 之光罩圖案,曝光上述光阻劑層之後,使用四甲基銨氫氧 化物水溶液等之鹼顯像液以顯像處理,使阻劑圖案形成。 接著,例如藉由使用作爲配線材料之鉻靶的濺鍍等, 0 在上述阻劑圖案上形成既定厚度的鉻膜之後,將此電路基 板用片浸漬於乙醇等之蝕刻液中,藉由進行阻劑之蝕刻而 能夠形成所需求之配線。 於本發明中,由於電路基板用樹脂片之硬化物以使用 具優越耐熱性之物,於此配線形成中,能夠防止於配線中 產生裂痕等之不恰當。 實施例 接著,藉由實施例以更詳細說明本發明,本發明係根 據此等例子,並未予以任何限定。 還有,各例之各種特性係利用以下所示之方法加以評 估: (1)電路基板用樹脂片之雙鍵濃度 遵照於專利說明書本文中揭示之方法而加以測定。但 是,基於樹脂片溶解性之觀點,實施例1〜5係使用重氫化 氯仿作爲溶劑,實施例6〜8係使用重氫化二甲基亞颯作爲 溶劑。另外,於1H-NMR測定中,使用Bruker BioSpin公 司製之「AVANCE500」,以頻率5 00Hz之條件加以測定》 -22- .200941071 (2) 紫外線硬化後之電路基板用樹脂片之於15 0°C的儲存 彈性係數E ’ 遵照專利說明書本文中揭示之方法而加以測定。 針對紫外線硬化,只要無特別申明,藉由照射將熔融 Η燈作爲光源之紫外線(照度條件:400mW/cm2、曝光量 3 00mJ/cm2)以進行未硬化層之硬化。 (3) 紫外線硬化後之電路基板用樹脂片的耐熱性 在紫外線硬化後之電路基板用樹脂片,使用鉻靶而藉 0 濺鍍,以形成厚度25nm之鉻膜(Cr膜)。 職鍍係使用濺鍍裝置〔Cannon Anelva公司製、機種名 「L-250S-FH」〕,於氬氣下,以製膜壓力IPa、電力25W 進行。 (a) 裂痕之有無 針對鉻膜表面之任意10點,使用數位顯微鏡〔Keyence 股份公司製、商品名「數位顯微鏡VHX-200」〕以觀察裂 痕之有無。 φ 評估基準 〇:未觀察到裂痕。 X :觀察到裂痕。 (b) 針對鉻膜表面之任意5處,測定電阻値,將其平均値 設爲電阻値。各測定點之2點間距離設爲5cm,測定上係 使用 Tester〔三菱化學股份公司製、機種名「Rolester MCP-T600」〕。 實施例1 相對於固形成分100質量份之重量平均分子量10萬的 -23- 200941071 聚(甲基丙烯酸甲酯)(以下,稱爲PMMA ),使固形成 分200質量份之高分枝多元醇丙烯酸酯〔新中村化學工業 股份公司製、商品名「A-HBR-5」、重量平均分子量·· 1 5 50〕、 固形成分6質量份之光聚合引發劑的1-羥基環己基苯基酮 [Ciba Specialty Chemicals 股份公司製、商品名「Irgacure 184」、以下稱爲光引發劑 A]予以溶解,最後添加甲基乙 基酮以將固形成分濃度調整至50質量%,直到成爲均勻溶 液爲止加以攪拌而作成塗布液。 〇 藉由刮刀塗布機以將調製之塗布液塗布於聚對苯二甲 酸乙二酯膜之單面已設置矽氧烷系剝離劑層之重剝離型剝 離片〔Lintec股份公司製、商品名「PLR3 82050 * J〕的剝 離處理面上,於10(TC、加熱乾燥90秒鐘,形成由厚度50 μπι 之能量線硬化型高分子材料而成之未硬化層。進行同樣之 方式,在聚對苯二甲酸乙二酯膜之單面已設置矽氧烷系剝 離劑層之輕剝離型剝離片〔Lintec股份公司製、商品名 「PET3801」〕的剝離處理面上,形成由厚度50μιη之能量 © 線硬化型高分子材料而成之未硬化層。藉由使用積層機以 積層此等未硬化層,形成厚度100μιη的未硬化層,製得電 路基板用樹脂片。 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於1 5(TC的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 實施例2 除了使用己內酯改性三(丙烯醯氧乙基)異氰酸酯〔新 -24- .200941071 中村化學工業股份公司製、商品名「NK Ester 9300-1CL」〕 以取代高分枝多元醇丙烯酸酯以外,進行相同於實施例1 之方式而製作電路基板用樹脂片》 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於150 °C的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 實施例3 除了使用二羥甲基三環癸烷二丙烯酸酯〔新中村化學 〇 工業股份公司製、商品名「A-DCP」〕以取代高分枝多元 醇丙烯酸酯以外,進行相同於實施例1之方式而製作電路 基板用樹脂片。 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於1 50°C的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 實施例4 除了使用固形成分150質量份之二羥甲基三環癸烷二 ❾ 丙烯酸酯〔新中村化學工業股份公司製、商品名「A-DCP」〕 與固形成分50質量份之雙酚A型環氧丙烯酸酯〔共榮社化 學股份公司製、商品名「環氧酯3002A」〕的混合物,以 取代高分枝多元醇丙烯酸酯以外,進行相同於實施例1之 方式而製作電路基板用樹脂片。 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於150 °C的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 -25- 200941071 實施例5 除了使用參(丙烯醯氧乙基)異氰酸酯〔東亞合成股 份公司製、商品名「Aronix M-315」〕以取代高分枝多元 醇丙烯酸酯以外,進行相同於實施例1之方式而製作電路 基板用樹脂片。 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於15〇 °C的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 〇 實施例6 於由75質量份之甲基丙烯酸甲酯(以下,稱爲MM A ) 與25質量份之甲基丙烯酸-2-羥乙酯(以下,稱爲HEM A) 而成之甲基丙烯酸酯共聚物的甲基乙基酮溶液(固形成分 濃度35質量%)中,相對於共聚物中之HEM A 100當量, 添加80當量之2-甲基丙烯醯氧乙基異氰酸酯,於氮氣環境 中,於40 °C予以反應48小時而得到在側鏈中具有聚合性 不飽和基之重量平均分子量15萬的能量線硬化型丙烯酸 Ο 系聚合物。相對於固形成分100質量份之所得之能量線硬 化型丙烯酸系共聚物,添加固形成分2 00質量份之高分枝 多元醇丙烯酸酯〔新中村化學工業股份公司製、商品名 「A-HBR-5」,與上述相同〕、固形成分6質量份之光聚 合引發劑的 2,2-二甲氧基-1,2-二苯基乙烷-1-酮〔Ciba Specialty Chemicals 股份公司製、商品名「Irgacure 651j ' 以下稱爲光引發劑B〕、及固形成分1.5質量份之聚異氰 酸酯系交聯劑〔三井化學聚胺甲酸酯股份公司製、商品名 -26- .200941071 「Takenate D-140N」,以下稱爲交聯劑a〕,進一 甲基乙基酮而得到固形成分濃度40質量%之塗布液 使用此塗布液以外,進行相同於實施例1之方式而 路基板用樹脂片。 針對進行如此方式而得之電路基板用樹脂片, 鍵濃度、紫外線硬化後之於15 0 °C的儲存彈性係數 線硬化後之耐熱性。將其結果顯示於表1。 實施例7 〇 相對於固形成分1〇〇質量份之實施例6的甲基 酯共聚物之甲基乙基酮溶液,添加固形成分200質 髙分枝多元醇丙烯酸酯〔商品名「A-HBR-5」,與 同〕、固形成分6質量份之光引發劑B、及固形成 質量份之交聯劑a,進一步添加甲基乙基酮而得到 分濃度40質量%之塗布液。除了使用所得之塗布液 進行相同於實施例1之方式而製作電路基板用樹脂, 針對進行如此方式而得之電路基板用樹脂片, © 鍵濃度、紫外線硬化後之於150°C的儲存彈性係數 線硬化後之耐熱性。將其結果顯示於表1。 實施例8 於由25質量份之丙烯酸丁酯、50質量份之甲 酸甲酯與25質量份之丙烯酸-2-羥乙酯(以下,稱赁 而成之(甲基)丙烯酸酯系共聚物的甲基乙基酮溶 形成分濃度40質量%),相對於共聚物中之HEA 量,添加80當量之2·甲基丙烯醯氧乙基異氰酸酯, 步添加 。除了 製作電 求出雙 及紫外 丙烯酸 量份之 上述相 分1.5 固形成 以外, 片。 求出雙 及紫外 基丙烯 I HEA ) 液(固 100當 於氮氣 -27- .200941071 環境中,於40 °C予以反應48小時而得到在側鏈中具有聚 合性不飽和基之重量平均分子量25萬的能量線硬化型丙 烯酸系聚合物。相對於固形成分100質量份之所得之能量 線硬化型丙烯酸系聚合物,添加固形成分200質量份之高 分枝多元醇丙烯酸酯〔新中村化學工業股份公司製、商品 名「A-HBR-5」,與上述相同〕、固形成分6質量份之光 聚合引發劑A、及固形成分1.8質量份之交聯劑a,進一步 添加甲基乙基酮而得到固形成分濃度40質量%之塗布 Ο 液。除了使用此塗布液以外,進行相同於實施例1之方式 而製作電路基板用樹脂片。 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於150 °C的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 比較例1 除了使用聚碳酸酯骨幹胺甲酸酯丙烯酸酯〔日本合成 化學工業股份公司製、商品名「UV-6010EA」、重量平均 ® 分子量:15 00〕以取代高分枝多元醇丙烯酸酯以外,進行 相同於實施例1之方式而形成未硬化層。 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於1 5 0 °c的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 比較例2 除了使用聚碳酸酯骨幹胺甲酸酯丙烯酸酯〔日本合成 化學工業股份公司製、商品名「UV-6020EA」、重量平均 -28- .200941071
〇 分子量·· 1 5 60〕以取代高分枝多元醇丙烯酸酯以外,進行 相同於實施例1之方式而形成未硬化層。 針對進行如此方式而得之電路基板用樹脂片,求出雙 鍵濃度、紫外線硬化後之於150 °C的儲存彈性係數及紫外 線硬化後之耐熱性。將其結果顯示於表1。 -29- 200941071 ϊ撇 ❹ 樹脂片評估結果 Cr膜電阻 値(Ω〇) δ VO Ον S: m 00 V ?:, X (N V X oi Cr膜 有無裂痕 〇 〇 〇 〇 〇 〇 〇 〇 X X ^ 〇 2.7x10® 1.5x10s 5·5χ108 2.7x10* 2.4x108 4.9χ108 L— —— _ 1.7x10® 3.4x10* l_3xl07 1.6xl07 雙鍵濃度 (mmol/g) 卜 v〇 寸 10.2 Ο 00 OS Ο) On »r> od OO ΓΛ 寸 CO 摻合(皆爲固形成分質量份) 交聯劑a 質量份 〇 〇 ο ο ο oo 〇 〇 光引發劑 質量份 VO ν〇 ν〇 ν〇 ν〇 v〇 VO 種類 < < < < < 0Q CQ < < < S5 Μ m 質量份 1 200 , 200 200 150/50 200 200 200 200 200 200 \άυ 骧 m m m A-HBR-5 9300-1CL ί A-DCP ι A-DCP/3002A Μ-315 A-HBR-5 ι_ A-HBR-5 1 A-HBR-5 UV-6010EA UV-6020EA 主劑 質量份 〇 〇 ο ο ο ο o o o o 種類 1 PMMA PMMA ΡΜΜΑ ΡΜΜΑ ΡΜΜΑ $ Ή Ν ^ Μ ϊ ϋ ω § κ δ ϊ ^ MMA:HEMA=75:25 BA:MMA:HEA=25:50 :25(MOI80 當量) PMMA PMMA 實施例1 實施例2 實施例3 實施例4 實施例5 實施例6 實施例7 實施例8 比較例1 比較例2 -oco- (。丑 ¥ M^M--ui-N駿 S 蘅州) .200941071 〔註解〕 PMMA :聚(甲基丙烯酸甲酯) MMA :甲基丙烯酸甲酯 BA :丙烯酸丁酯 HEMA:甲基丙烯酸-2-羥乙酯 HEA :丙烯酸-2-羥乙酯 MOI : 2-甲基丙烯醯氧乙基異氰酸酯 A-HBR-5 :高分枝多元醇丙烯酸酯〔新中村化學工業股份 ❹ 公司製、商品名「A-HBR-5」〕 9300-1CL:己內酯改性參(丙烯醯氧乙基)異氰酸酯〔新 中村化學工業股份公司製、商品名「NKESter 9300-lCL」〕 A-DCP :二羥甲基三環癸烷二丙烯酸酯〔新中村化學工業 股份公司製、商品名「A-DCP」〕 3 0 02 A :雙酚A型環氧丙烯酸酯〔共榮社化學股份公司製、 商品名「環氧酯3002A」〕 M-3 15:參(丙烯醢氧乙基)異氰酸酯〔東亞合成股份公 ❿ 司製、商品名「AronixM-315」〕 UV-6010EA:聚碳酸酯骨幹胺甲酸酯丙烯酸酯〔日本合成 化學工業股份公司製、商品名「UV-6010EA」〕 UV-602 0EA :聚碳酸酯骨幹胺甲酸酯丙烯酸酯〔日本合成 化學工業股份公司製、商品名「UV-6020EA」〕 光引發劑 A : 1-羥基環己基苯基酮〔Ciba Specialty
Chemicals股份公司製、商品名「Irgacure 184」〕 光引發劑 B : 2,2-二甲氧基-1,2-二苯基乙-1-酮〔Ciba Specialty Chemicals 股份公司製、商品名「irgacure 651」〕 -31 - 200941071 交聯劑a:聚異氰酸酯系交聯劑〔三井化學聚胺甲酸酯股 份公司製、商品名「TakenateD-ΜΟΝ」〕 由表1得知,雙鍵濃度超過4.5 mmol/g之實施例1〜8 係能量線硬化後之於15(TC的儲存彈性係數E’皆超過1.Ox l〇8Pa,鉻膜中並未觀察到裂痕,電阻値爲低的値。 相對於此,雙鍵濃度低於4.5mmol/g之比較例1〜2係 能量線硬化後之於15(TC的儲存彈性係數E’皆低於l.Ox l〇8Pa,鉻膜中發生裂痕,電阻値爲高的値。 〇 [產業上利用之可能性] 基於品質佳、高生產性,本發明之電路基板用樹脂片, 其硬化物具優越之耐熱性,能夠有效提供用以控制顯示器 用(尤其,平面顯示器用)之各像素而埋入電路晶片之電 路基板。 【圖式簡單說明】 第1(a)圖〜第1(c)圖係使用本發明之電路基板用 樹脂片,顯示埋入電路晶片之方法一例的步驟說明圖。圖 ® 中,符號1係表示載體、2係表示電路基板用樹脂片、3係 表示電路晶片、4係表示剝離片、5係表示顯示器用電路基 板。 【主要元件符號說明】 1 載體 2 電路基板用樹脂片 3 電路晶片 4 剝離片 5 顯示器用電路基板 -32-
Claims (1)
- ,200941071 七、申請專利範圍: 1.一種電路基板用樹脂片,其係得自用以埋 能量線硬化型高分子材料之電路基板用棱 爲在藉能量線照射硬化前的雙鍵濃度爲4 2·如申請專利範圍第1項之電路基板用樹辟 能量線照射硬化後,依據JIS Κ7244·4戶J °C的儲存彈性係數E’爲1.0xl08Pa以上。 3. —種電路基板用片,其特徵係在載體上形 〇 範圍第1或2項之電路基板用樹脂片的單 4. 一種顯示器用電路基板,其特徵係將電礎 請專利範圍第3項之電路基板用片的電腾 表面中,對其照射能量線而予以硬化。 ❹ 入電路晶片之 脂片,其特徵 5 〜25mmol/g0 片,其中在藉 測定之於1 5 0 成如申請專利 面。 晶片埋入如申 基板用樹脂片 -33-
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KR (1) | KR20100122076A (zh) |
CN (1) | CN101933070A (zh) |
TW (1) | TW200941071A (zh) |
WO (1) | WO2009096593A1 (zh) |
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JP2017535946A (ja) * | 2014-11-05 | 2017-11-30 | エーファウ・グループ・エー・タルナー・ゲーエムベーハー | 製品基板をコーティングするための方法と装置 |
WO2017124332A1 (en) * | 2016-01-20 | 2017-07-27 | Goertek.Inc | Micro-led transfer method and manufacturing method |
EP3373712B1 (fr) * | 2017-03-09 | 2023-03-29 | MGI Digital Technology | Procédé de dépôt de traces conductrices |
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US20060082002A1 (en) * | 2004-10-06 | 2006-04-20 | Lintec Corporation | Sheet for circuit substrates and sheet of a circuit substrate for displays |
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-
2008
- 2008-01-30 JP JP2008018903A patent/JP5063389B2/ja not_active Expired - Fee Related
-
2009
- 2009-01-23 TW TW098102702A patent/TW200941071A/zh unknown
- 2009-01-28 CN CN2009801036065A patent/CN101933070A/zh active Pending
- 2009-01-28 US US12/812,932 patent/US8445092B2/en not_active Expired - Fee Related
- 2009-01-28 KR KR1020107016581A patent/KR20100122076A/ko not_active Application Discontinuation
- 2009-01-28 WO PCT/JP2009/051830 patent/WO2009096593A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP5063389B2 (ja) | 2012-10-31 |
US20110048779A1 (en) | 2011-03-03 |
CN101933070A (zh) | 2010-12-29 |
WO2009096593A1 (ja) | 2009-08-06 |
KR20100122076A (ko) | 2010-11-19 |
US8445092B2 (en) | 2013-05-21 |
JP2009180880A (ja) | 2009-08-13 |
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