JP2019134086A - 接続構造体および接続構造体の作製方法 - Google Patents
接続構造体および接続構造体の作製方法 Download PDFInfo
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- JP2019134086A JP2019134086A JP2018015666A JP2018015666A JP2019134086A JP 2019134086 A JP2019134086 A JP 2019134086A JP 2018015666 A JP2018015666 A JP 2018015666A JP 2018015666 A JP2018015666 A JP 2018015666A JP 2019134086 A JP2019134086 A JP 2019134086A
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- 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
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- 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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Abstract
Description
[接続構造体の構造]
図1は、本発明の一実施形態に係る接続構造体の構造を示す。図1(A)は、本発明の一実施形態に係る接続構造体の平面図である。図1(B)は、図1(A)のA−A’断面図である。図1(C)は、図1(B)の領域Bにおける導電性粒子の拡大断面図である。
次に、図2から図5を用いて、本発明の一実施形態に係る接続構造体の作製方法について説明する。尚、本実施形態においては、既存の第1の電子部品101および第2の電子部品111を用いることが可能であるため、その説明は省略し、図2から図5においては、接続構造体100を形成する方法を詳しく説明する。
本実施形態に係る接続構造体の構造は、第1実施形態に係る接続構造体の構造と同じである。本実施形態に係る接続構造体の作製方法は、第2の組成物30’を第2の面の第2の電極114以外の領域に配置すること以外、第1実施形態に係る接続構造体の作製方法と同じである。第1実施形態と同じである説明は省略し、ここでは第1実施形態に係る接続構造体の作製方法と相違する部分について説明する。
図6を用いて、本発明の一実施形態に係る接続構造体の作製方法について説明する。尚、本実施形態においては、既存の第1の電子部品101および第2の電子部品111を用いることが可能であるため、その説明は省略し、図6においては、接続構造体100を形成する方法を詳しく説明する。
本実施形態に係る接続構造体の構造は、第1の面の第1の電極110以外の領域と第2の面の第2の電極114以外の領域との間に配置される第1の樹脂20と第2の樹脂30との積層順が異なること以外、第1実施形態に係る接続構造体の構造と同じである。本実施形態に係る接続構造体の作製方法は、複数の導電性粒子10と第1の組成物20’との混合物を配置する工程と、第2の組成物30’を配置する工程の順番が入れ替わること以外、第1実施形態に係る接続構造体の作製方法と同じである。第1実施形態と同じである説明は省略し、ここでは第1実施形態に係る接続構造体および接続構造体の作製方法と相違する部分について説明する。
図7は、本発明の一実施形態に係る接続構造体の構造を示す。図7(A)は、本発明の一実施形態に係る接続構造体の平面図である。図7(B)は、図7(A)のD−D’断面図である。図7(C)は、図7(B)の領域Eにおける導電性粒子の拡大断面図である。
図8を用いて、本発明の一実施形態に係る接続構造体の作製方法について説明する。尚、本実施形態においては、既存の第1の電子部品101および第2の電子部品111を用いることが可能であるため、その説明は省略し、図8においては、接続構造体100aを形成する方法を詳しく説明する。
本実施形態に係る接続構造体の構造は、第3実施形態に係る接続構造体の構造と同じである。本実施形態に係る接続構造体の作製方法は、第2の組成物30’を第1の部材102の第1の電極110以外の領域に配置し、複数の導電性粒子10と第1の組成物20’を第2の部材112の第2の電極114上に配置すること以外、第1実施形態に係る接続構造体の作製方法と同じである。第1実施形態と同じである説明は省略し、ここでは第1実施形態に係る接続構造体の作製方法と相違する部分について説明する。
図9を用いて、本発明の一実施形態に係る接続構造体の作製方法について説明する。尚、本実施形態においては、既存の第1の電子部品101および第2の電子部品111を用いることが可能であるため、その説明は省略し、図9においては、接続構造体100aを形成する方法を詳しく説明する。
・第1の電極110の幅(短辺)(A1)=9μm
・第1の電極110同士の距離(B1)=6μm
・第1の電極110のピッチ(A1+B1=C1)=15μm
・第1の電極110の長さ(長辺)(D1)=105μm
・第1の電極110の面積(A1×D1)=945μm2
・1つの電極当たりに配置される導電性粒子10の数=19個
・第1の電極110の幅(短辺)(A2)=9μm
・第1の電極110同士の距離(B2)=6μm
・第1の電極110のピッチ(A2+B2=C2)=15μm
・第1の電極110の長さ(長辺)(D2)=105μm
・第1の電極110の面積(A2×D2)=945μm2
・1つの電極当たりに配置される導電性粒子10の数=26個
・第1の電極110の幅(短辺)(A3)=10μm
・第1の電極110同士の距離(B3)=18μm
・第1の電極110のピッチ(A3+B3=C3)=28μm
・導電性粒子10と第1の樹脂20が配置される1つの領域の長さ(D3)=10μm
・導電性粒子10と第1の樹脂20が配置される領域同士の距離(E3)=7μm
・第1の電極110の長さ(長辺)(F3)=44μm
・第1の電極110の面積(A3×F3)=440μm2
・導電性粒子10と第1の樹脂20が配置される1つの領域の面積=100μm2
・1つの電極当たりに導電性粒子10と第1の樹脂20が配置される領域の数=3個
・1つの電極当たりに導電性粒子10と第1の樹脂20が配置される領域の総面積=300μm2
・導電性粒子10と第1の樹脂20が配置される1つの領域当たりに配置される導電性粒子10の数=6個
・1つの電極当たりに配置される導電性粒子10の数=18個
・第1の電極110の幅(短辺)(A4)=8μm
・第1の電極110同士の距離(B4)=9μm
・第1の電極110のピッチ(A4+B4=C4)=17μm
・第1の電極110の長さ(長辺)(D4)=40μm
・第1の電極110の面積(A4×D4)=320μm2
・第1の電極110当たりに配置される導電性粒子10の数=12個
Claims (20)
- 第1の電極が配置された第1の部材の第1の面に、第1の組成物を配置すると共に、前記第1の電極の上に導電性粒子を配置し、
前記第1の面の第1の電極以外の領域に前記第1の組成物に重ねて第2の組成物を配置し、
前記第1の面と、第2の電極が配置された第2の部材の第2の面とを、前記第1の組成物と前記導電性粒子とが前記第2の電極に接し、前記第2の組成物が前記第2の面の第2の電極以外の領域に接するように対向配置させ、
前記第1の部材および前記第2の部材を押圧し、
前記第1の組成物及び前記第2の組成物を硬化させる、ことを含む接続構造体の作製方法。 - 第1の電極が配置された第1の部材の第1の面に、第1の組成物を配置すると共に、前記第1の電極の上に導電性粒子を配置し、
第2の部材の第2の面に配置された第2の電極以外の領域に第2の組成物を配置し、
前記第1の面と、前記第2の面とを、前記第1の組成物と前記導電性粒子とが前記第2の電極に接し、前記第2の組成物が前記第1の面の第1の電極以外の領域の前記第1の組成物に重なるように対向配置させ、
前記第1の部材および前記第2の部材を押圧し、
前記第1の組成物及び前記第2の組成物を硬化させる、ことを含む接続構造体の作製方法。 - 第1の部材の第1の面に配置された第1の電極以外の領域に第2の組成物を配置し、
前記第2の組成物に重ねて前記第1の面に第1の組成物を配置すると共に、前記第1の電極の上に導電性粒子を配置し、
前記第1の面と、第2の電極が配置された第2の部材の第2の面とを、前記導電性粒子が前記第2の電極に接し、前記第1の組成物が前記第2の面に接するように対向配置させ、
前記第1の部材および前記第2の部材を押圧し、
前記第1の組成物及び前記第2の組成物を硬化させる、ことを含む接続構造体の作製方法。 - 第1の部材の第1の面に配置された第1の電極以外の領域に第2の組成物を配置し、
第2の電極が配置された第2の部材の第2の面に、第1の組成物を配置すると共に、前記第2の電極の上に導電性粒子を配置し、
前記第1の面と、前記第2の面とを、前記第1の組成物と前記導電性粒子とが前記第1の電極に接し、前記第2の組成物が前記第2の面の第2の電極以外の領域の前記第1の組成物に重なるように対向配置させ、
前記第1の部材および前記第2の部材を押圧し、
前記第1の組成物及び前記第2の組成物を硬化させる、ことを含む接続構造体の作製方法。 - 前記第1の組成物を配置すると共に、前記導電性粒子を配置することは、
オフセット印刷法を用いる請求項1乃至4の何れか1項に記載の接続構造体の作製方法。 - 前記第1の組成物を配置すると共に、前記導電性粒子を配置することは、
パッド印刷法を用いる請求項5に記載の接続構造体の作製方法。 - 前記パッド印刷法は、平板凹版を用いる請求項6に記載の接続構造体の作製方法。
- 前記第1の組成物を配置すると共に、前記導電性粒子を配置することは、
前記平板凹版の上面および凹部に前記第1の組成物を配置すると共に、前記平板凹版の凹部に前記導電性粒子を配置し、
前記第1の組成物と前記導電性粒子とをパッドに転移し、
前記導電性粒子が前記第1の電極または前記第2の電極に接するように配置すること、を含む請求項7に記載の接続構造体の作製方法。 - 前記第1の組成物の粘度は、前記第2の組成物の粘度より高い請求項1乃至8の何れか1項に記載の接続構造体の作製方法。
- 前記第1の組成物を配置すると共に、前記導電性粒子を配置することは、前記第1の組成物に前記導電性粒子を20体積%以上60体積%以下の範囲で混合し、配置することを含む請求項1乃至9の何れか1項に記載の接続構造体の作製方法。
- 前記第1の組成物は、ラジカル重合型樹脂を含む請求項1乃至10の何れか1項に記載の接続構造体の作製方法。
- 前記第2の組成物は、エチレン性不飽和化合物とチオール化合物とを含むエン/チオール系硬化性樹脂を含み、前記エチレン性不飽和化合物と前記チオール化合物のうち少なくとも一方の硬化成分が9,9−ビスアリールフルオレン化合物である請求項1乃至11の何れか1項に記載の接続構造体の作製方法。
- 前記第1の組成物および前記第2の組成物は、光硬化開始成分を含む請求項1乃至12の何れか1項に記載の接続構造体の作製方法。
- 前記第1の組成物および前記第2の組成物を硬化させることは、光照射することを含む請求項1乃至13の何れか1項に記載の接続構造体の作製方法。
- 前記第1の組成物および前記第2の組成物は、遮蔽部硬化性活性化合物を含む請求項1乃至14の何れか1項に記載の接続構造体の作製方法。
- 前記第1の組成物は、嫌気性硬化開始成分を含む請求項1乃至15の何れか1項に記載の接続構造体の作製方法。
- 前記第1の組成物および前記第2の組成物を硬化させることは、前記押圧と同時に行う請求項1乃至16の何れか1項に記載の接続構造体の作製方法。
- 前記押圧することは、導電性粒子が前記第1の電極と前記第2の電極に接する請求項1乃至17の何れか1項に記載の接続構造体の作製方法。
- 第1の部材の第1の面と、
前記第1の面に配置された第1の電極と、
前記第1の面と対向する第2の部材の第2の面と、
前記第1の電極と対向し、前記第2の面に配置された第2の電極と、
前記第1の電極と前記第2の電極との間に配置される第1の樹脂および導電性粒子と、
前記第1の面の第1の電極以外の領域と前記第2の面の第2の電極以外の領域との間に配置される第1の樹脂および第2の樹脂と、を含み、
前記第1の樹脂は前記第1の面に接し、前記第2の樹脂は前記第2の面に接し、
前記第1の樹脂と前記第2の樹脂とは異なる接続構造体。 - 前記導電性粒子は、前記第1の電極と前記第2の電極の対向方向に見たときに、前記第1の電極と前記第2の電極との間に7個/400μm2以上20個/400μm2以下の範囲で含む請求項19に記載の接続構造体。
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