| 摘要 |
<p>1294801 Tin-base alloy INTERNATIONAL BUSINESS MACHINES CORP 18 June 1971 [17 Sept 1970] 28597/71 Heading C7A An alloy comprises in weight per cent:- 53 - 55% tin 25 - 27% lead 18 - 22% indium This ternary alloy has a low melting-point, 135-146‹C, together with high tensile strength, and is particularly suited for use as a solder, especially in electric circuits containing heatsensitive components.</p> |
