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What is the melting point of indium in alloy type transistors?(a) 300°C(b) 200°C(c) 155°C(d) 100°CI have been asked this question in an online quiz.My doubt is from Transistor Construction topic in section Transistor Characteristics of Electronic Devices & Circuits |
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Answer» CORRECT ANSWER is (c) 155°C Explanation: This is SIMILAR to soldering and PNP transistor is generally is made by this process. In this method, first of all N type germanium is obtained. The N type wafer and indium dots are placed in a furnace and HEATED to about 500°C. |
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