Polishing method for glass input window element and clamp

Abstract

The invention discloses a polishing method for a glass input window element and a clamp and belongs to the field of glass machining. According to the polishing method, initial polishing and final polishing are conducted on the two surfaces of the glass input window element. The polishing method includes the following steps that initial polishing is conducted, wherein the glass input window element to be polished is pressed on a polishing disc to be subjected to initial polishing till the number of apertures of the surface of the element ranges from 1 to 5; and final polishing is conducted, wherein the element obtained after initial polishing is pressed on the polishing disc to be subjected to final polishing till the defect of the surface of the element reaches the zero level standard. The polishing method has the beneficial effect of being low in rejection rate.

Description

technical field [0001] The invention relates to the field of glass processing, in particular to a polishing method and fixture for a glass input window element. Background technique [0002] Anti-halation glass input windows are used as light and image input windows for image intensifier tubes and lenses. With the emergence of high-quality image intensifier tubes and high-definition lenses, higher requirements are placed on the input window on the package. The anti-halation glass input window not only has the function of anti-halation and anti-glare, but also is an important channel for detection signal transmission, which requires good light transmittance, minimum image fluctuation and maximum image and signal resolution. To ensure accurate signal transmission. For this reason, the surface defects of the input window are required to meet the zero-level standard, that is, there are no surface defects such as scratches, pitting and broken edges visible to the naked eye unde...

AI Technical Summary

Problems solved by technology

The first process technology method is to re-grind the large and small surfaces of the input window, and then polish them until they are qualified; the disadvantage is that the removal of large and small surfaces is large, and generally it can only be repaired once. If it is not qualified after the repair, it is easy to The size is smaller than the requirement and becomes a waste product

The second process technology method is to re-polish the large and small surfaces of the input window once or more times until it is qualified; the disadvantage is that most input windows must be reworked many times, so that the removal amount of the large and small surfaces of the input window in the rework Very big

A large number of input windows become waste products after rework or because of surface defects, or because the removal volume is too large to make the size smaller than required

The third process technology method is to glue multiple input windows to one plate, and make a plate for trimming; the disadvantage of the third process technology method is that the qualified rate of repair is low

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