A kind of preparation method of absorbing layer of broad-spectrum radiation detector
A radiation detector and absorbing layer technology, applied in the field of terahertz detection, can solve problems such as poor stability of single-surface absorption rate and inability to respond flatly to single-surface absorbing coatings, so as to reduce the influence of ambient temperature fluctuations and improve spatial uniformity , high yield effect
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[0028] The preparation method of the absorption layer of the broadband radiation detector is as follows:
[0029] Step 1: Select a ceramic sheet with a thickness of 0.3mm and a thickness of 50mm×50mm as the base material to make the third layer of electrical insulation layer;
[0030] Step 2: Select RD65724 resistance paste, accounting for 5% to 30%, as the electric heating layer material, select 3M black paint and add curing agent or thermal conductivity auxiliary material, accounting for 70% to 95%, mix evenly, pass The second layer is formed on one side of the electrical insulation layer by spraying, and then the second layer is cured on the third layer by drying or drying;
[0031] Step 3: Select the combination of modified multi-wall carbon nano powder and nano iron tetroxide powder, each accounting for 2.5% to 15%, and use 3M black paint as the adhesive and add curing agent or heat conduction agent auxiliary materials, accounting for 70% ~95%, use binder to mix polymer ...
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