JP4876173B2 - 多層配線板およびその製造方法 - Google Patents
多層配線板およびその製造方法 Download PDFInfo
- Publication number
- JP4876173B2 JP4876173B2 JP2009550417A JP2009550417A JP4876173B2 JP 4876173 B2 JP4876173 B2 JP 4876173B2 JP 2009550417 A JP2009550417 A JP 2009550417A JP 2009550417 A JP2009550417 A JP 2009550417A JP 4876173 B2 JP4876173 B2 JP 4876173B2
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- JP
- Japan
- Prior art keywords
- layer
- conductor
- wiring board
- recess
- multilayer wiring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 93
- 229910052802 copper Inorganic materials 0.000 description 55
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
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- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
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- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
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- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
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- 239000000788 chromium alloy Substances 0.000 description 1
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- 238000003851 corona treatment Methods 0.000 description 1
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- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- XTFKWYDMKGAZKK-UHFFFAOYSA-N potassium;gold(1+);dicyanide Chemical compound [K+].[Au+].N#[C-].N#[C-] XTFKWYDMKGAZKK-UHFFFAOYSA-N 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- 229960002218 sodium chlorite Drugs 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
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Classifications
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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
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
- H05K1/185—Components encapsulated in the insulating substrate of the printed circuit or incorporated in internal layers of a multilayer circuit
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- 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
- H01L23/49838—Geometry or layout
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5383—Multilayer substrates
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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
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5389—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates the chips being integrally enclosed by the interconnect and support structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/18—High density interconnect [HDI] connectors; Manufacturing methods related thereto
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- H01—ELECTRIC ELEMENTS
- 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
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/18—High density interconnect [HDI] connectors; Manufacturing methods related thereto
- H01L24/19—Manufacturing methods of high density interconnect preforms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L24/82—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 by forming build-up interconnects at chip-level, e.g. for high density interconnects [HDI]
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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
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
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- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/58—Structural electrical arrangements for semiconductor devices not otherwise provided for
- H01L2223/64—Impedance arrangements
- H01L2223/66—High-frequency adaptations
- H01L2223/6661—High-frequency adaptations for passive devices
- H01L2223/6677—High-frequency adaptations for passive devices for antenna, e.g. antenna included within housing of semiconductor device
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/04105—Bonding areas formed on an encapsulation of the semiconductor or solid-state body, e.g. bonding areas on chip-scale packages
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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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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- 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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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
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- H—ELECTRICITY
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
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- H01L2224/32245—Disposition the layer 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 metallic
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- 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
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- H01L2224/73267—Layer and HDI connectors
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- H01L2224/82—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 by forming build-up interconnects at chip-level, e.g. for high density interconnects [HDI]
- H01L2224/82009—Pre-treatment of the connector or the bonding area
- H01L2224/8203—Reshaping, e.g. forming vias
- H01L2224/82035—Reshaping, e.g. forming vias by heating means
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Description
導体回路と絶縁層が形成されて、前記絶縁層で隔てられた前記導体回路どうしがビアを介して電気接続される多層配線基板と、
前記絶縁層に形成された凹部と、
前記凹部の底面と側面の少なくとも一方に2層以上の層で形成された電磁シールド層と、
前記凹部に収容された電子部品と、
を備え、
前記凹部の底面と側面の少なくとも一方に2層以上の層で形成された電磁シールド層の表層に現れた電磁シールド層は、前記2層以上の層の表層以外の電磁シールド層より電磁波の反射損失が小さい材料で形成されることを特徴とする。
導体回路と絶縁層が形成されて、前記絶縁層で隔てられた前記導体回路どうしがビアを介して電気接続される多層配線基板を含む多層配線板の製造方法であって、
前記多層配線基板の絶縁層に凹部を形成する工程と、
前記凹部の底面と側面の少なくとも一方に第1の電磁シールド層を形成する第1のシールド層形成工程と、
前記第1の電磁シールド層の少なくとも一部の該第1の電磁シールド層よりも凹部の表層側に、該第1の電磁シールド層よりも電磁波の反射損失が小さい材料もしくは電磁波の吸収損失が大きい材料で第2の電磁シールド層を形成する工程と、
前記凹部に電子部品を埋め込む工程と、
を備えることを特徴とする。
2 導体回路
3 ビア
4、4A、4B 電子部品
5 電子部品
9 、10 導体層(電磁シールド層)
11、12、13、14、15 絶縁層
21、22 凹部
31、32 導体層(電磁シールド層)
41、41a、41b、41c フィルドビア(電磁シールド層)
42、42a、42b フィルドビア(電磁シールド層)
51、52 側面導体層(電磁シールド層)
61、62 導体層(電磁シールド層)
図1は、本発明の実施の形態1に係る多層配線板の断面図である。実施の形態1では、凹部の周囲の電磁シールド層は金属が充填されたビアの配列で構成される。
図5は、本発明の実施の形態2に係る多層配線板1の断面図である。実施の形態2では、凹部21、22の周囲の電磁シールド層は凹部21、22の側面にめっきによって形成された導体層51、52、さらに導体層31、32および51、52を覆うようにめっきによって形成された導体層61、62、とで構成される。
なお、当実施の形態2において、導体層を2層以上の層にして凹部の内側を反射損失が小さい材料で、外側を内側の層より反射損失が大きい材料で形成した場合、あるいは凹部の内側を吸収損失が大きい材料で、外側を内側の層より吸収損失が小さい材料で形成した場合は、いずれかの材料で単層の導体層を形成した場合に比べ、導体層は高いシールド効果を有する。
図7は、凹部の電磁シールドにフィルドビアを用いる構成で、1つの絶縁層に2つの凹部を形成する場合の多層配線板1の構成の一例を示す断面図である。1つの絶縁層14に2つの凹部22、23を同時に形成する。凹部22、23にそれぞれ、底面の導体層32、33を形成する。また、凹部22、23の周囲にフィルドビア42、43を配列して電磁シールドとする。それぞれの凹部22、23に電子部品4B、4Cを収容することができる。
図9は、凹部の電磁シールドに凹部側面の導体層を用いる構成で、1つの絶縁層に2つの凹部を形成する場合の多層配線板1の構成の一例を示す断面図である。1つの絶縁層14に2つの凹部22、23を同時に形成する。凹部22、23にそれぞれ、底面の導体層32、33と、側面の導体層52、53を形成する。それぞれの凹部22、23に電子部品4B、4Cを収容することができる。
本実施の形態にある表面粗化処理を施した銅張積層板(以下、実施例という)と、未処理の銅張積層板(以下、比較例という)とで、表面形状、断面形状および電磁波吸収特性の比較を行った。実施例は、黒色酸化処理を施した銅張積層板(以下、実施例1という)、化学エッチング処理を施した銅張積層板(以下、実施例2という)、表面に金めっきを施した銅張積層板(以下、実施例3という)の3種類を用いた。実施例3については、電磁波吸収特性についてのみ比較を行った。
Claims (6)
- 導体回路と絶縁層が形成されて、前記絶縁層で隔てられた前記導体回路どうしがビアを介して電気接続される多層配線基板と、
前記絶縁層に形成された凹部と、
前記凹部の底面と側面の少なくとも一方に2層以上の層で形成された電磁シールド層と、
前記凹部に収容された電子部品と、
を備え、
前記凹部の底面と側面の少なくとも一方に2層以上の層で形成された電磁シールド層の表層に現れた電磁シールド層は、前記2層以上の層の表層以外の電磁シールド層より電磁波の反射損失が小さい材料で形成されることを特徴とする多層配線板。 - 前記2層以上の層で形成された電磁シールド層の少なくとも1層は、金属で形成されることを特徴とする請求項1に記載の多層配線板。
- 前記凹部の底面と側面の少なくとも一方に2層以上の層で形成された電磁シールド層の表層に現れた電磁シールド層は、前記2層以上の層の表層以外の電磁シールド層より電磁波の吸収損失が大きい材料で形成されることを特徴とする請求項1または2に記載の多層配線板。
- 前記凹部の底面と側面の少なくとも一方の表層に現れた電磁シールド層の表面は粗化されることを特徴とする請求項1ないし3のいずれか1項に記載の多層配線板。
- 導体回路と絶縁層が形成されて、前記絶縁層で隔てられた前記導体回路どうしがビアを介して電気接続される多層配線基板を含む多層配線板の製造方法であって、
前記多層配線基板の絶縁層に凹部を形成する工程と、
前記凹部の底面と側面の少なくとも一方に第1の電磁シールド層を形成する第1のシールド層形成工程と、
前記第1の電磁シールド層の少なくとも一部の該第1の電磁シールド層よりも凹部の表層側に、該第1の電磁シールド層よりも電磁波の反射損失が小さい材料もしくは電磁波の吸収損失が大きい材料で第2の電磁シールド層を形成する工程と、
前記凹部に電子部品を埋め込む工程と、
を備えることを特徴とする多層配線板の製造方法。 - 前記第2の電磁シールド層の表面を粗化する工程を備えることを特徴とする請求項5に記載の多層配線板の製造方法。
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EP (1) | EP2136610A4 (ja) |
JP (1) | JP4876173B2 (ja) |
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JP5692473B1 (ja) * | 2013-05-14 | 2015-04-01 | 株式会社村田製作所 | 部品内蔵基板及び通信モジュール |
US9629249B2 (en) | 2013-05-14 | 2017-04-18 | Murata Manufacturing Co., Ltd. | Component-embedded substrate and communication module |
Also Published As
Publication number | Publication date |
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TW200934342A (en) | 2009-08-01 |
CN101653053A (zh) | 2010-02-17 |
TWI345940B (ja) | 2011-07-21 |
US8168893B2 (en) | 2012-05-01 |
EP2136610A1 (en) | 2009-12-23 |
US20090188703A1 (en) | 2009-07-30 |
JPWO2009093343A1 (ja) | 2011-05-26 |
CN101653053B (zh) | 2012-04-04 |
EP2136610A4 (en) | 2011-07-13 |
WO2009093343A1 (ja) | 2009-07-30 |
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