Manufacturing method of transistor
A manufacturing method and technology for transistors, which are used in semiconductor/solid-state device manufacturing, electrical components, circuits, etc., can solve problems such as transistor failure and low yield, and achieve the effects of reducing thickness, reducing losses, and improving controllability
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[0037] It can be known from the background technology that the transistors formed in the prior art are prone to failure and low yield.
[0038] Combine Figure 1 to Figure 3 The schematic diagram of the manufacturing method of the prior art transistor is shown, and the reasons for transistor failure and low yield are analyzed:
[0039] reference figure 1 The material of the transistor protective layer 101 and the material of the interlayer dielectric layer 104 are the same oxides. When the protective layer 101 is cleaned and removed by a diluted hydrofluoric acid solution, a part of the thickness of the interlayer dielectric layer 104 is also consumed. Moreover, due to the different formation processes of the protective layer 101 and the interlayer dielectric layer 104 (the method for forming the protective layer 101 is mostly a thermal oxidation process, and the method for forming the interlayer dielectric layer 104 is mostly a chemical vapor deposition process), diluted hydrofluor...
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