High-quality LED (light emitting diode) manufacturing method
A technology of light-emitting diodes and manufacturing methods, applied in semiconductor/solid-state device manufacturing, semiconductor/solid-state device testing/measurement, electrical components, etc., can solve problems such as acid corrosion, failure to be well suppressed, material damage, etc., to achieve The effect of improving quality, avoiding damage, and increasing efficiency
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[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] The present invention provides a kind of technical scheme: comprise the steps:
[0036]S1. Wafer inspection: Including wafer type, wafer thickness, wafer state and silicon wafer resistivity, check whether the wafer is N-type or P-type, specifically by heating needle A, electrons from point A diffuse to point B , the potential of point A is higher than that of point B, and the pointer of the galvanometer deviates to the right, it can be determined that the silicon wafer...
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