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Optical window electromagnetic shielding metal mesh and preparation method thereof

A metal mesh and optical window technology, which is applied in the fields of magnetic/electric field shielding, microlithography exposure equipment, metal material coating technology, etc., can solve the problems affecting the imaging sensitivity and precision of infrared detection systems, and achieve easy implementation and connection Sufficient, wide-ranging effects

Pending Publication Date: 2022-07-08
GRINM GUOJINGHUI NEW MATERIALS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003]At present, most of the electromagnetic shielding metal grid structures are periodic, and it is impossible to avoid high-order diffraction stray light interference during actual use, thus affecting the infrared detection system. Imaging Sensitivity and Precision

Method used

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  • Optical window electromagnetic shielding metal mesh and preparation method thereof
  • Optical window electromagnetic shielding metal mesh and preparation method thereof
  • Optical window electromagnetic shielding metal mesh and preparation method thereof

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Embodiment Construction

[0037] In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are set forth in order to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0038] In order to illustrate the technical solutions of the present invention, the following specific embodiments are used for description.

[0039] At present, using advanced micro-nano processing technology to make mask patterns, combined with metal film physical vapor deposition technology, can make transparent conductive metal grid structure with excellent light tran...

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Abstract

The invention is suitable for the technical field of optical window electromagnetic shielding, and provides an optical window electromagnetic shielding metal mesh and a preparation method thereof.The method comprises the steps that a regular polygonal metal mesh is prepared on the surface of an optical window, and polygons in the regular polygonal metal mesh are the same in size and shape and are tightly connected; for each polygon, randomly selecting two points on any two edges of the polygon, connecting the two points by using a metal wire, and randomly dividing each polygon into two polygons to obtain an irregular polygonal metal mesh; detecting whether the structural parameters of the irregular polygonal metal mesh reach a preset standard or not; and if the structural parameters do not reach the preset standard, repeatedly executing the step of randomly segmenting each polygon in the irregular polygonal metal mesh into two polygons until the structural parameters reach the preset standard. The random electromagnetic shielding metal mesh with good photoelectric performance can be prepared, and the imaging quality is improved.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic shielding of optical windows, and in particular relates to an electromagnetic shielding metal mesh grid of an optical window and a preparation method thereof. Background technique [0002] Optical window is an important part of optoelectronic equipment mechanism / function integration. With the increasingly complex electromagnetic environment in space, aerospace equipment has put forward higher requirements for optical windows, which are mainly reflected in high light transmittance, low imaging quality and strong Electromagnetic shielding effectiveness. As one of the effective methods to realize electromagnetic shielding of optical windows, metal grid electromagnetic shielding technology has received extensive attention and research in recent years. [0003] At present, most of the electromagnetic shielding metal grid structures are periodic, and the high-order diffraction stray light inter...

Claims

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Application Information

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IPC IPC(8): H05K9/00G03F7/40G03F7/38G03F7/20G03F7/16C23C14/14C23C14/04
CPCH05K9/0086G03F7/16G03F7/38G03F7/40G03F7/70383G03F7/70033C23C14/042C23C14/14
Inventor 尚鹏曹波石红春马远方林泉张振雲
Owner GRINM GUOJINGHUI NEW MATERIALS CO LTD
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