Method for synthesizing poly-p-xylene packaging and protection coating with adjustable absorption spectrum

A parylene and absorption spectrum technology, applied in the field of parylene packaging film or coating preparation, can solve the problems of no absorption, poor shielding, poor identification and the like

Pending Publication Date: 2020-05-12
南京若虹高新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary parylene deposition layer is a transparent or colorless coating, with poor marking, no absorption in the visible light range, and poor shielding

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] The present invention is achieved like this:

[0020] 1. According to the absorption spectrum characteristics and labeling requirements of the package and protective layer, the producer uses anthraquinone or azo or phthalocyanine compound powders with different absorption spectrum characteristics to produce anthraquinone or azocyanine compound powders that produce the required absorption spectrum characteristics. Mixed powder of nitrogen compounds;

[0021] 2. The producer produces an active p-xylene dimer mixed gas containing precursors with adjustable absorption spectrum characteristics;

[0022] 3. Drying, degassing, purification and activation of integrated circuit chips, electronic devices, circuit boards or functional materials by the producer;

[0023] 4. The producer flows the active p-xylene dimer mixed gas containing precursors with adjustable absorption spectrum characteristics to the surface of integrated circuit chips, electronic devices, circuit boards or...

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Abstract

The invention relates to a preparation method of an absorption-spectrum-adjustable poly-p-xylene packaging and protection coating for packaging an integrated circuit chip, an electronic device, a circuit board or a functional material. The preparation method comprises the following steps: putting p-xylene dimer powder into a vacuum feeding cabin, heating to 120-150 DEG C, vaporizing into p-xylenedimer gas, and cracking the p-xylene dimer gas into active p-xylene aggregate gas through a 650 DEG C cracking pipe; and placing different types of anthraquinone or azo or phthalocyanine compound mixed powder with different luminescence spectrum characteristics as a synthesis precursor with novel synthesis spectrum characteristics into a doping feeding cabin, heating to 150-300 DEG C, uniformly adsorbing the activated gas on the surface under the condition that the vacuum degree is controlled to be 0.01-100 Pa, generating a free radical polymerization reaction, and depositing to form a poly-p-xylene coating with the adjustable absorption spectrum and the thickness of 0.1-50 [mu]m so as to obtain the finished poly-p-xylene packaging and protection layer with the adjustable absorption spectrum.

Description

technical field [0001] The present invention relates to integrated circuit chips, devices, circuit boards and functional material surface synthetic absorption spectrum can be regulated mark packaging and protective coating method, belongs to coating, packaging material thin film or coating production technology, specifically relates to a method for synthesis The preparation method of parylene encapsulation film or coating with adjustable absorption spectrum. Background technique [0002] At present, integrated circuit chips, devices or circuit boards and functional materials packaged with protective paint or resin materials widely used in the world have large thickness, poor protection performance and poor identification. For the packaging of new LED devices and systems, the requirements for the spectral transmission and shielding characteristics of packaging materials are high, and the demand for spectral absorption and spectral shielding characteristics of packaging and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D165/04C09D5/32H01L21/56H01L23/29C08G61/02
CPCC08G61/025C09D5/32C09D165/04H01L21/561H01L23/293
Inventor 吴宜勇刘剑虹高军虎
Owner 南京若虹高新材料科技有限公司
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