JP5260215B2 - 補強材付き配線基板の製造方法 - Google Patents
補強材付き配線基板の製造方法 Download PDFInfo
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- H—ELECTRICITY
- 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
- H01L24/93—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
- H01L24/97—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 connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L2224/10—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L2224/26—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
- H01L2224/32151—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
- H01L2224/32221—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
- H01L2224/32225—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 non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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Description
21…チップ部品としてのICチップ
31…補強材としてのスティフナ
32…接触面
33…非接触面
35…開口部
36…開口部の内側面
40…樹脂配線基板
41…基板主面
42…基板裏面
43,44,45,46…樹脂絶縁層
51…導体層
52…主面側接続端子としての端子パッド
53…裏面側接続端子としてのBGA用パッド
54…主面側はんだバンプ
56…ビアとしてのビア穴
57…ビアとしてのビア導体
69…基材
73,74…金属箔としての銅箔
91…多数個取り用基板
92…基板形成領域
93…基板形成部
94…枠部
96…アライメントマーク
111…多数個取り用補強材としての多数個取り用スティフナ
112…補強材形成領域としてのスティフナ形成領域
120…基板形成領域の外形線
121…補強材形成領域の外形線
122…切断予定線
131…金属層
Claims (8)
- 基板主面及び基板裏面を有するとともに樹脂絶縁層及び導体層を積層した構造を有し、チップ部品を接続可能な複数の主面側接続端子が前記基板主面上に配設された樹脂配線基板と、
前記基板主面に接合され、前記複数の主面側接続端子を露出させる開口部が貫通形成された補強材と
を備える補強材付き配線基板の製造方法であって、
前記樹脂配線基板となるべき基板形成領域が平面方向に沿って複数配置された多数個取り用基板を準備する基板準備工程と、
前記補強材となるべき補強材形成領域が平面方向に沿って複数配置され、複数の前記開口部があらかじめ設けられた板状の多数個取り用補強材を準備する補強材準備工程と、
前記多数個取り用基板と前記多数個取り用補強材とを位置決めした状態で、前記多数個取り用基板の前記基板主面に前記多数個取り用補強材を接合する接合工程と、
前記多数個取り用基板及び前記多数個取り用補強材を、前記基板形成領域の外形線及び前記補強材形成領域の外形線に沿って切断して分割することにより、前記樹脂配線基板の切断端面と前記補強材の切断端面とが揃った補強材付き配線基板を同時に複数個得る基板分割工程と
を含むことを特徴とする補強材付き配線基板の製造方法。 - 前記基板準備工程は、
片面に金属箔を有する基材上に前記樹脂絶縁層及び前記導体層を積層する積層工程と、
前記積層工程後、前記基材を除去して前記金属箔を露出させる基材除去工程と、
前記基材除去工程後、前記金属箔に対するパターニングを行うことにより、最表層の前記樹脂絶縁層上における前記基板形成領域に前記主面側接続端子を形成する接続端子形成工程と、
前記接続端子形成工程後、最表層の前記樹脂絶縁層上に形成された前記主面側接続端子上に主面側はんだバンプを形成するはんだバンプ形成工程と
を含むことを特徴とする請求項1に記載の補強材付き配線基板の製造方法。 - 前記多数個取り用補強材は、前記基板主面に接触する接触面と、前記接触面の反対側に位置する非接触面とを有し、
前記接続端子形成工程では、前記金属箔に対するパターニングを行うことにより、前記基板主面において前記接触面が接触する領域に金属層を形成する
ことを特徴とする請求項2に記載の補強材付き配線基板の製造方法。 - 前記基板準備工程は、
片面に金属箔を有する基材上に前記樹脂絶縁層及び前記導体層を積層する積層工程と、
前記積層工程後、前記基材を除去して前記金属箔を露出させる基材除去工程と、
前記基材除去工程後、前記金属箔を除去する金属箔除去工程と、
前記金属箔除去工程後、最表層の前記樹脂絶縁層上に形成された前記主面側接続端子上に主面側はんだバンプを形成するはんだバンプ形成工程と
を含むことを特徴とする請求項1に記載の補強材付き配線基板の製造方法。 - 前記多数個取り用基板は、前記基板形成領域が平面方向に沿って複数配置された基板形成部と、その基板形成部の周囲を取り囲むとともにアライメントマークを有する枠部とからなり、
前記多数個取り用補強材の外形寸法が前記多数個取り用基板の外形寸法よりも小さく設定され、
前記接合工程では、前記アライメントマークを基準として前記多数個取り用補強材の位置決めを行う
ことを特徴とする請求項1乃至4のいずれか1項に記載の補強材付き配線基板の製造方法。 - 前記接合工程後であって前記基板分割工程前に、前記開口部の内側面を粗化する粗化工程を行うことを特徴とする請求項1乃至5のいずれか1項に記載の補強材付き配線基板の製造方法。
- 前記樹脂配線基板は、前記樹脂絶縁層に設けられたビアが前記基板主面側または前記基板裏面側に行くに従って拡径している、コア基板を有しない配線基板であることを特徴とする請求項1乃至6のいずれか1項に記載の補強材付き配線基板の製造方法。
- 前記基板裏面上に母基板接続用の裏面側接続端子が配設され、前記樹脂絶縁層に設けられたビアが前記基板裏面側に行くに従って拡径していることを特徴とする請求項1乃至7のいずれか1項に記載の補強材付き配線基板の製造方法。
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