Improvements in or relating to methods for the production of semi-conductor arrangements
摘要
<p>Alloys used in soldering and doping a semi-conductor (see Group XXXVI) consist of (1) 99.5% indium, 0.5% gallium, (2) approximately 70% lead, 30% tin, 1% arsenic and (3) 99% lead, 1% arsenic.</p>
