Dexerials Corporation

Genki Katayanagi

Hidetsugu Namiki

Shiyuki Kanisawa

An anisotropic conductive adhesive includes an epoxy adhesive containing an epoxy compound and a curing agent and conducive particles dispersed in the epoxy adhesive. When elastic moduluses at 35&#xb0; C., 55&#xb0; C., 95&#xb0; C., and 150&#xb0; C. of a cured product of the anisotropic conductive adhesive are denoted by EM, EM, EM, and EM, respectively, and change rates in the elastic modulus between 55&#xb0; C. and 95&#xb0; C. and between 95&#xb0; C. and 150&#xb0; C. are denoted by &#x394;EMand &#x394;EM, respectively, the following expressions (1) to (5) are satisfied700 Mpa&#x2266;EM&#x2266;3000 MPa&#x2003;&#x2003;(1)EM&#x3c;EM&#x3c;EM&#x3c;EM&#x2003;&#x2003;(2)&#x394;EM&#x3c;&#x394;EM&#x2003;&#x2003;(3)20%&#x2266;&#x394;EM&#x2003;&#x2003;(4)40%&#x2266;&#x394;EM&#x2003;&#x2003;(5).

Anisotropic conductive adhesive

An anisotropic conductive adhesive including conductive particles dispersed in an epoxy-based adhesive containing an epoxy compound and a curing agent gives a cured product having the elastic modulus satisfying the expressions (1) to (5), in which EM, EM, EM, and EMare values of the elastic modulus of the cured product at 35&#xb0; C., 55&#xb0; C., 95&#xb0; C., and 150&#xb0; C., respectively, &#x394;EMis the rate of change in the elastic modulus between 55&#xb0; C. and 95&#xb0; C., and &#x394;EMis the rate of change in the elastic modulus between 95&#xb0; C. and 150&#xb0; C.,700 MPa&#x2266;EM&#x2266;3000 MPa&#x2003;&#x2003;(1)EM&#x3c;EM&#x3c;EM&#x3c;EM&#x2003;&#x2003;(2)&#x394;EM&#x3c;&#x394;EM&#x2003;&#x2003;(3)20%&#x2266;&#x394;EM&#x2003;&#x2003;(4)40%&#x2266;&#x394;EM&#x2003;&#x2003;(5).

An anisotropic conductive adhesive includes an epoxy adhesive containing an epoxy compound and a curing agent and conducive particles dispersed in the epoxy adhesive. When elastic moduluses at 35&#xb0; C., 55&#xb0; C., 95&#xb0; C., and 150&#xb0; C. of a cured product of the anisotropic conductive adhesive are denoted by EM, EM, EM, and EM, respectively, and change rates in the elastic modulus between 55&#xb0; C. and 95&#xb0; C. and between 95&#xb0; C. and 150&#xb0; C. are denoted by &#x394;EMand &#x394;EM, respectively, the following expressions (1) to (5) are satisfied.700Mpa&#x2266;EM&#x2266;3000MPa&#x2003;&#x2003;(1)EM&#x3c;EM&#x3c;EM&#x3c;EM&#x2003;&#x2003;(2)&#x394;EM&#x3c;&#x394;EM&#x2003;&#x2003;(3)20% &#x2266;&#x394;EM&#x2003;&#x2003;(4)40% &#x2266;&#x394;EM&#x2003;&#x2003;(5)

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Tochigi, Japan

Genki Katayanagi