JP2013201241A - 接続体の製造方法、及び電子部品の接続方法 - Google Patents
接続体の製造方法、及び電子部品の接続方法 Download PDFInfo
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- JP2013201241A JP2013201241A JP2012068140A JP2012068140A JP2013201241A JP 2013201241 A JP2013201241 A JP 2013201241A JP 2012068140 A JP2012068140 A JP 2012068140A JP 2012068140 A JP2012068140 A JP 2012068140A JP 2013201241 A JP2013201241 A JP 2013201241A
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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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
- H01L24/01—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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/27—Manufacturing methods
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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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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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
- H01L24/80—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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- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
- H05K3/323—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives by applying an anisotropic conductive adhesive layer over an array of pads
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- 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
- H01L2224/27—Manufacturing methods
- H01L2224/27001—Involving a temporary auxiliary member not forming part of the manufacturing apparatus, e.g. removable or sacrificial coating, film or substrate
- H01L2224/27003—Involving a temporary auxiliary member not forming part of the manufacturing apparatus, e.g. removable or sacrificial coating, film or substrate for holding or transferring the layer preform
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- H01—ELECTRIC ELEMENTS
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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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/27—Manufacturing methods
- H01L2224/273—Manufacturing methods by local deposition of the material of the layer connector
- H01L2224/2731—Manufacturing methods by local deposition of the material of the layer connector in liquid form
- H01L2224/2732—Screen printing, i.e. using a stencil
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- 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
- H01L2224/27—Manufacturing methods
- H01L2224/273—Manufacturing methods by local deposition of the material of the layer connector
- H01L2224/2733—Manufacturing methods by local deposition of the material of the layer connector in solid form
- H01L2224/27334—Manufacturing methods by local deposition of the material of the layer connector in solid form using preformed layer
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- 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
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29194—Material with a principal constituent of the material being a liquid not provided for in groups H01L2224/291 - H01L2224/29191
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
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- H01—ELECTRIC ELEMENTS
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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
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
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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
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- H01L2224/838—Bonding techniques
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Abstract
【解決手段】光硬化型の接着剤3を介して、基板12上に電子部品18を配置する工程と、接着剤3に光を照射して硬化させる工程とを有し、基板12と電子部品18とが接続される領域が複数の接続領域CH1〜CH5に分割され、接続領域CH1〜CH5ごとに、光の照射開始のタイミングをずらして硬化させる。
【選択図】図3
Description
異方性導電フィルム(ACF:Anisotropic Conductive Film)1は、図2に示すように、通常、基材となる剥離フィルム2上に導電性粒子含有層3が形成されたものである。異方性導電フィルム1は、図1に示すように、液晶表示パネル10の透明基板12に形成された透明電極17と電子部品18やフレキシブル基板21との間に導電性粒子含有層3を介在させることで、液晶表示パネル10と電子部品18あるいはフレキシブル基板21とを接続し、導通させるために用いられる。
次いで、異方性導電フィルム1を介して電子部品18やフレキシブル基板21が透明基板12の透明電極17上に接続された接続体の製造工程について説明する。先ず、異方性導電フィルム1を透明電極17上に仮圧着する。異方性導電フィルム1を仮圧着する方法は、液晶表示パネル10の透明基板12の透明電極17上に、導電性粒子含有層3が透明電極17側となるように、異方性導電フィルム1を配置する。
また、最初に紫外線照射を開始する領域は、1箇所でなくともよく、互いに隣接し合わない複数箇所で、同時に紫外線照射を開始してもよい。例えば、図5(a)に示すように、第2及び第4の接続領域CH2、CH4から紫外線照射を開始してもよい。
また、本接続工程では、複数に分割された接続領域の一方の端部から紫外線を照射するようにしてもよい。例えば、図6(a)に示すように、紫外線照射器31は、第1の紫外線照射部31aから第1の接続領域CH1への紫外線照射を開始し、所定時間経過後、例えば1秒後に、第2の紫外線照射部31bから第2の接続領域CH2への紫外線照射を開始し(図6(b))、順次1秒経過ごとに、第5の接続領域CH5に至るまで、隣接する接続領域への紫外線照射を開始していく(図6(c)〜図6(e))。
また、本接続工程では、複数に分割された接続領域の複数の端部から紫外線を照射するようにしてもよい。例えば、図7(a)に示すように、紫外線照射器31は、第1の紫外線照射部31aから第1の接続領域CH1への紫外線照射を開始するとともに第5の紫外線照射部31eから第5の接続領域CH5への紫外線照射を開始する。所定時間経過後、例えば1秒後に、図7(b)に示すように、第2の紫外線照射部31bから第2の接続領域CH2への紫外線照射を開始するとともに第4の紫外線照射部31d第4の接続領域CH4への紫外線照射を開始する。さらに所定時間経過後、例えば1秒後に、図7(c)に示すように、第3の紫外線照射部31cから第3の接続領域CH3への紫外線照射を開始する。
上記では透明電極17の端子部17aと電子部品18とが接続される領域を、一列に配列された接続領域に分割したが、図8に示すように、平面上においてXY方向に区分けされた接続領域に分割してもよい。この場合も、中央から端部、端部から端部、あるいは複数の端部から中央等のように、各接続領域ごとに紫外線の照射開始のタイミングをずらして硬化させることで、バインダーの硬化収縮に伴う歪みを吸収させることができる。
フェノキシ樹脂(YP−70:新日鐵化学株式会社製);20質量部
液状エポキシ樹脂(EP−828:三菱化学株式会社製);30質量部
固形エポキシ樹脂(YD014:)新日鐵化学株式会社製);20質量部
導電性粒子;(AUL704:積水化学工業株式会社製):30質量部
カチオン系硬化剤(LW−S1:サンアプロ株式会社製);5質量部
を溶媒に溶融させて混合溶液を作成し、この混合溶液をPETフィルム上に塗布し、オーブンにて乾燥し、フィルム状に成形した。
外形;1.8mm×34.0mm
厚さ;0.5mm
で、導通測定用配線を形成した評価用ICを用いた。
硬化収縮率=(接着剤層の硬化物比重−接着剤層の樹脂液比重)/接着剤層の硬化物比重×100
で求めることができる。
Claims (9)
- 光硬化型の接着剤を介して、基板上に電子部品を配置する工程と、
上記接着剤に光を照射して硬化させる工程とを有し、
上記基板と上記電子部品とが接続される領域が複数の接続領域に分割され、上記接続領域ごとに、上記光の照射開始のタイミングをずらして硬化させる、上記基板上に上記電子部品が接続された接続体の製造方法。 - 複数に分割された上記接続領域の任意の一つ又は複数から上記光の照射を開始し、
所定時間経過後に、上記任意の一つ又は複数の接続領域以外の接続領域への上記光の照射を開始する請求項1記載の接続体の製造方法。 - 上記光が最後に照射される接続領域に、光硬化に必要最小限度の照射量が照射された後、全接続領域に対する光照射が停止される請求項2記載の接続体の製造方法。
- 複数に分割された上記接続領域のうち、上記基板と上記電子部品とが接続される領域の中央の接続領域から上記光の照射を開始し、
所定時間経過後に、上記中央の接続領域以外の接続領域への上記光の照射を開始する請求項2又は請求項3記載の接続体の製造方法。 - 上記中央の接続領域から上記基板と上記電子部品とが接続される領域の端部の上記接続領域へ向かって段階的に上記光の照射を開始するタイミングを遅らせる請求項4記載の接続体の製造方法。
- 上記基板と上記電子部品とが接続される領域の一又は複数の端部の上記接続領域から上記光の照射を開始し、
所定時間経過後に、上記一又は複数の端部の接続領域以外の接続領域へ上記光の照射を開始する請求項2又は請求項3記載の接続体の製造方法。 - 上記基板と上記電子部品とが接続される領域の一の端部の上記接続領域から上記光の照射を開始し、
上記基板と上記電子部品とが接続される領域の他の端部の上記接続領域へ向かって段階的に上記光の照射を開始するタイミングを遅らせる請求項6記載の接続体の製造方法。 - 上記基板と上記電子部品とが接続される領域の複数の端部の上記接続領域から上記光の照射を開始し、
上記基板と上記電子部品とが接続される領域の中央の上記接続領域へ向かって段階的に上記光の照射を開始するタイミングを遅らせる請求項6記載の接続体の製造方法。 - 光硬化型の接着剤を介して、基板上に電子部品を配置する工程と、
上記接着剤に光を照射して硬化させる工程とを有し、
上記基板と上記電子部品とが接続される領域が複数の接続領域に分割され、上記接続領域ごとに、上記光の照射開始のタイミングをずらして硬化させる、上記基板上に上記電子部品を接続する電子部品の接続方法。
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JP2015087402A (ja) * | 2013-10-28 | 2015-05-07 | 三菱電機株式会社 | 表示装置の製造方法および製造装置 |
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