Electronic semiconductor device

Claim 1

AN ELECTRONIC SEMICONDUCTOR DEVICE, COMPRISING A SUBSTANTIALLY MONOCRYSTALLINE SEMICONDUCTOR PLATE HAVING A COEFFICIENT OF EXPANSION, A CARRIER PLATE STRUCTURE COMPRISING A METAL HAVING A COEFFICIENT OF EXPANSION SUBSTANTIALLY EQUAL TO THAT OF SAID SEMICONDUCTOR PLATE, SAID CARRIER PLATE STRUCTURE BEING OPERATIVELY CONNECTED OVER A LARGE AREA TO SAID SEMICONDUCTOR PLATE, A CONTACT TERMINAL BODY OF GOOD CONDUCTING METAL, SAID CARRIER PLATE STRUCTURE AND SAID TERMINAL BODY HAVING RESPECTIVE LAPPED SURFACES EXTENDING IN A FLAT PLANE AND BEARING FORCE AGAINST EACH OTHER, AN INTERMEDIATE LAYER BETWEEN SAID RESPECTIVE SURFACES, SAID INTERMEDIATE LAYER COMPRISING A METAL OF THE GROUP CONSISTING OF SILVER AND GOLD, AND CLAMPING MEANS URGING SAID CARRIER PLATE STRUCTURE AND SAID TERMINAL BODY TOGETHER AND FORMING WHEN THE DEVICE IS ASSEMBLED AND SECURELY HELD TOGETHER A PERMANENT PRESSURE CONTACT BETWEN SAID INTERMEDIATE LAYER AND SAID RESPECTIVE SURFACES.