JP5566200B2 - 配線基板及びその製造方法 - Google Patents
配線基板及びその製造方法 Download PDFInfo
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- JP5566200B2 JP5566200B2 JP2010138906A JP2010138906A JP5566200B2 JP 5566200 B2 JP5566200 B2 JP 5566200B2 JP 2010138906 A JP2010138906 A JP 2010138906A JP 2010138906 A JP2010138906 A JP 2010138906A JP 5566200 B2 JP5566200 B2 JP 5566200B2
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- insulating layer
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- 238000000034 method Methods 0.000 claims description 75
- 239000000758 substrate Substances 0.000 claims description 50
- 239000004065 semiconductor Substances 0.000 claims description 37
- 239000011347 resin Substances 0.000 claims description 27
- 229920005989 resin Polymers 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 25
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 41
- 229910000679 solder Inorganic materials 0.000 description 36
- 239000011229 interlayer Substances 0.000 description 32
- 239000010931 gold Substances 0.000 description 27
- 239000003990 capacitor Substances 0.000 description 21
- 239000010949 copper Substances 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 19
- 238000007747 plating Methods 0.000 description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 15
- 229910052802 copper Inorganic materials 0.000 description 15
- 239000004020 conductor Substances 0.000 description 12
- 229910052759 nickel Inorganic materials 0.000 description 11
- 238000007772 electroless plating Methods 0.000 description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 9
- 229910052737 gold Inorganic materials 0.000 description 9
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
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- 230000001771 impaired effect Effects 0.000 description 2
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- 239000000377 silicon dioxide Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
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- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- CVMIVKAWUQZOBP-UHFFFAOYSA-L manganic acid Chemical compound O[Mn](O)(=O)=O CVMIVKAWUQZOBP-UHFFFAOYSA-L 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0055—After-treatment, e.g. cleaning or desmearing of holes
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- H—ELECTRICITY
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
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- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/16227—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a bond pad of the item
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- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73203—Bump and layer connectors
- H01L2224/73204—Bump and layer connectors the bump connector being embedded into the layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49866—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers characterised by the materials
- H01L23/49894—Materials of the insulating layers or coatings
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- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10674—Flip chip
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- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/025—Abrading, e.g. grinding or sand blasting
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- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/041—Solder preforms in the shape of solder balls
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
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- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0736—Methods for applying liquids, e.g. spraying
- H05K2203/0746—Local treatment using a fluid jet, e.g. for removing or cleaning material; Providing mechanical pressure using a fluid jet
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- H05K2203/16—Inspection; Monitoring; Aligning
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/20—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern
- H05K3/205—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by affixing prefabricated conductor pattern using a pattern electroplated or electroformed on a metallic carrier
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- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
- H05K3/4682—Manufacture of core-less build-up multilayer circuits on a temporary carrier or on a metal foil
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- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
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- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Description
本発明の実施形態を説明する前に、本発明に関連する関連技術について説明する。図1は関連技術の配線基板を示す断面図である。
図2〜図5は本発明の第1実施形態の配線基板の製造方法を示す断面図、図6は同じく配線基板に半導体チップを実装する方法を示す断面図である。
さらに、第2層間絶縁層24の上には外部接続用パッドP2の上に接続ホールCHが設けられた第2黒色絶縁層26が形成されている。
図12は本発明の第2実施形態の配線基板の製造方法を示す断面図である。
図16及び図17は本発明の第3実施形態の配線基板の製造方法を示す断面図である。
Claims (7)
- コア基板をもたないコアレスタイプの配線基板であって、
一方の面側に最外層として形成され、黒色又は灰色を呈する第1絶縁層と、
前記第1絶縁層から露出して形成された第1接続パッドと、
他方の面側に最外層として形成され、黒色又は灰色を呈する樹脂層の厚み方向の中央部にガラスクロスが形成された第2絶縁層と、
前記第2絶縁層から露出して形成された第2接続パッドとを有し、
前記第2絶縁層に曲面状の側壁面を有する接続ホールが形成され、前記接続ホールの底部に、表面に凹部が設けられた前記第2接続パッドが露出しており、
前記接続ホール内の前記樹脂層及びガラスクロスの側壁面と前記第2接続パッドの凹部の側面とは連続する同一面を構成しており、かつ
前記第1接続パッドの外面が前記第1絶縁層の外面から露出しており、前記第1接続パッドの側面と前記外面の反対面とが前記第1絶縁層に接していることを特徴とする配線基板。 - 前記接続ホールの上端の角部が丸みを帯びた面取り部となっていることを特徴とする請求項1に記載の配線基板。
- 前記第1接続パッド及び前記第2接続パッドのいずれか一方が半導体チップをフリップチップ接続するためのチップ接続用パッドであり、他方が外部接続端子を接続するための外部接続用パッドであり、
前記チップ接続用パッドの配列ピッチは前記外部接続用パッドの配列ピッチより狭いことを特徴とする請求項1又は2に記載の配線基板。 - 接続パッドを備えた配線基板の上に、前記接続パッドを被覆する黒色又は灰色を呈する樹脂層の厚み方向の中央部にガラスクロスが形成された絶縁層を形成する工程と、
前記接続パッドの上に開口部が配置されたレジストを前記絶縁層の上に形成する工程と、
ウェットブラスト法によって、前記レジストの開口部を通して前記絶縁層に、前記接続パッドに到達する接続ホールを形成する工程とを有し、
前記接続ホールを形成する工程において、前記接続ホールの底部の前記接続パッドに凹部が形成され、かつ
前記接続ホール内の前記樹脂層及びガラスクロスの側壁面と前記接続パッドの凹部の側面とが連続する同一面となって形成されることを特徴とする配線基板の製造方法。 - 前記接続パッドを備えた配線基板は、
支持体の上に下側接続パッドを形成する工程と、
前記下側接続パッドの上に黒色又は灰色を呈する下側絶縁層を形成する工程と、
前記下側絶縁層を加工して前記下側接続パッドに到達するビアホールを形成する工程と、
前記ビアホールを介して前記下側接続パッドに接続され、最上層として前記接続パッドを含むn層(nは1以上の整数)の配線層を前記下側絶縁層の上に形成する工程とを含む方法から得られ、
前記接続ホールを形成する工程の後に、前記支持体を除去する工程をさらに有することを特徴とする請求項4に記載の配線基板の製造方法。 - 両面側の前記接続パッドのいずれか一方が半導体チップを接続するためのチップ接続用パッドであり、他方が外部接続端子を接続するための外部接続用パッドであり、前記チップ接続用パッドの配列ピッチは前記外部接続用パッドの配列ピッチより狭く設定されることを特徴とする請求項5に記載の配線基板の製造方法。
- 前記接続ホールを形成する工程の後に、
前記レジストを除去する工程と、
前記絶縁層の表面及び前記接続ホール内をウエストブラスト法で研削することにより、前記接続ホールの上端の角部を丸みを帯びた面取り部とする工程とを有することを特徴とする請求項4に記載の配線基板の製造方法。
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