JP2002097424A5

JP2002097424A5 -

Info

Publication number: JP2002097424A5
Application number: JP2000273119A
Authority: JP
Filing date: 2000-09-08
Publication date: 2007-10-25

Description

【特許請求の範囲】
【請求項１】表面、及び裏面を有するシート状の導電層と導電層の表面上に設けられた接着層とを有し、
該導電層には、表面方向に隆起させた突起部が形成されており、
該接着層がエポキシ樹脂及びフェノキシ樹脂を含む熱硬化性接着剤で成り、
該接着層が被着体に加熱圧着されると、導電層の突起部が接着層を貫通して被着体と接触する、熱硬化型導電性接着シート。
【請求項２】表面、及び裏面を有するシート状の導電層と導電層の表面上に設けられた第一の接着層と導電層の裏面上に設けられた第二の接着層とを有し、
該導電層には、表面方向に隆起させた第一の突起部及び裏面方向に隆起させた第二の突起部が形成されており、
該第一及び第二の接着層がエポキシ樹脂及びフェノキシ樹脂を含む熱硬化性接着剤で成り、
該第一及び第二の接着層が第一及び第二の被着体に加熱圧着されると、導電層の第一及び第二の突起部がそれぞれ第一及び第二の接着層を貫通してそれぞれ第一及び第二の被着体と接触する、熱硬化型導電性接着シート。
【請求項３】請求項１又は２に記載の熱硬化型導電性接着シートと、
熱硬化型導電性接着シートの接着層上に設置された被着体とを有し、
該接着層が被着体に接着しており、
導電層の突起部が接着層を貫通して被着体と接触している、接続構造。
【請求項４】前記被着体と前記突起部とが溶着又はろう付けされている請求項３に記載の接続構造。
【請求項５】請求項１又は２に記載の熱硬化型導電性接着シートの接着層上に被着体を配置する工程、及び
熱硬化型導電性接着シートの接着層を加熱し、熱硬化型導電性接着シートと被着体との間に圧力を加えて、突起部をもって接着層を貫通させ、突起部と被着体とを接触させる工程、
を含む、接続方法。 [Claims]
1. A sheet-like conductive layer having a front surface and a back surface, and an adhesive layer provided on a surface of the conductive layer,
On the conductive layer, a protrusion protruding in the surface direction is formed,
The adhesive layer is made of a thermosetting adhesive containing an epoxy resin and a phenoxy resin ,
A thermosetting conductive adhesive sheet, wherein when the adhesive layer is heat-pressed to the adherend, the protrusions of the conductive layer penetrate the adhesive layer and come into contact with the adherend.
2. A sheet-like conductive layer having a front surface and a back surface, a first adhesive layer provided on the front surface of the conductive layer, and a second adhesive layer provided on the back surface of the conductive layer. ,
In the conductive layer, a first protrusion raised in the front surface direction and a second protrusion raised in the back surface direction are formed,
The first and second adhesive layer is made of a thermosetting adhesive comprising an epoxy resin and a phenoxy resin,
When the first and second adhesive layers is heat-pressed to the first and second adherend, the first and second protrusions of the conductive layer through the first and second adhesive layers, respectively A thermosetting conductive adhesive sheet that contacts the first and second adherends respectively .
3. The thermosetting conductive adhesive sheet according to claim 1 or 2 ,
Having an adherend placed on the adhesive layer of the thermosetting conductive adhesive sheet,
The adhesive layer is adhered to the adherend,
A connection structure in which a protrusion of the conductive layer penetrates the adhesive layer and is in contact with the adherend.
4. The connection structure according to claim 3, wherein the adherend and the projection are welded or brazed.
5. A step of disposing an adherend on the adhesive layer of the thermosetting conductive adhesive sheet according to claim 1 or 2 , and heating the adhesive layer of the thermosetting conductive adhesive sheet to perform thermosetting. Applying pressure between the mold conductive adhesive sheet and the adherend, causing the adhesive layer to penetrate with the protrusion, and contacting the protrusion with the adherend,
Including, the connection method.