Manufacturing method of antireflection film on outer surface of infrared optical window and optical lens
An infrared optical window and optical lens technology, applied in optics, optical components, instruments, etc., can solve the problem of corrosiveness of the film layer, and achieve the effect of strong corrosion resistance and stable chemical properties
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Embodiment 1
[0020] The preparation method of the anti-reflection film on the outer surface of the infrared optical window and the optical lens specifically includes the following steps:
[0021] (1) Soak the anti-reflection coating substrate in gasoline and alcohol solution in turn for 4 hours. After soaking, wipe the parts with a mixture of alcohol and ether until the surface is clean; turn on the power of the coating machine, start the mechanical pump, and turn on the Pre-valve, close the pre-valve after pumping out the exhaust gas in the coating machine;
[0022] (2) Open the low valve and put the anti-reflection film substrate into the vacuum chamber of the coating machine to draw a low vacuum to 3.0E-3pa;
[0023] (3) Then apply a high vacuum to the anti-reflection film substrate. When it reaches 100Hz, close the low valve and open the pre-valve and high valve in turn, and restore the vacuum to 6.0E-3Pa;
[0024] (4) Heat the anti-reflection film substrate in the vacuum chamber, the...
Embodiment 2
[0029] The preparation method of the anti-reflection film on the outer surface of the infrared optical window and the optical lens specifically includes the following steps:
[0030] (1) Soak the anti-reflection coating substrate in gasoline and alcohol solution in turn for 6 hours. After soaking, wipe the parts with a mixture of alcohol and ether until the surface is clean; turn on the power of the coating machine, start the mechanical pump, and turn on the Pre-valve, close the pre-valve after pumping out the exhaust gas in the coating machine;
[0031] (2) Open the low valve and put the anti-reflection film substrate into the vacuum chamber of the coating machine to draw a low vacuum to 4.0E-3pa;
[0032] (3) Then apply a high vacuum to the anti-reflection film substrate. When it reaches 100Hz, close the low valve and open the pre-valve and high valve in turn, and restore the vacuum to 6.5E-3Pa;
[0033] (4) Heat the anti-reflection film substrate in the vacuum chamber, the...
Embodiment 3
[0038] The preparation method of the anti-reflection film on the outer surface of the infrared optical window and the optical lens specifically includes the following steps:
[0039] (1) Soak the anti-reflection coating substrate in gasoline and alcohol solution in turn for 5 hours. After soaking, wipe the parts with a mixture of alcohol and ether until the surface is clean; turn on the power of the coating machine, start the mechanical pump, and turn on Pre-valve, close the pre-valve after pumping out the exhaust gas in the coating machine;
[0040] (2) Open the low valve and put the anti-reflection film substrate into the vacuum chamber of the coating machine to draw a low vacuum to 4.0E-3pa;
[0041] (3) Then apply a high vacuum to the anti-reflection film substrate. When it reaches 100Hz, close the low valve and open the pre-valve and high valve in turn, and restore the vacuum to 6.5E-3Pa;
[0042] (4) Heat the anti-reflection film substrate in the vacuum chamber, the hea...
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