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Heater
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HIGH TRANSPARENCY CONDUCTIVE COATING
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CAR4020
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Optical Characteristics
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Minimum Transmission Performance:
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Minimum
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| Wavelength
(nm) |
Transmission
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| 425-700
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87%
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| 440-675
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89%
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Absorption and diffuse reflection shall not exceed
1.0 % maximum average loss per surface.
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WAVELENGTH - NANOMETERS
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Description: QCI coating #CAR4020
is a conductive coating with high transmittance and low
absorption through the visible range. Typical applications
are EMI/RFI shielding, P43 Phosphorus CRT displays, and
Heater windows. It is a durable coating, eraser tested to
100 complete cycles, at 2.0 - 2.5 pounds and show no evidence
of peeling, flaking, crazing, cracking or delamination and
will not change in spectral characteristics Electrical
Properties: Resistivity: Maximum resistance over
the surface of the substrate will not exceed 20 ohms per
square. Environmental Characteristics: Humidity:
The coating shall withstand exposure for a period of 48
hours to an atmosphere having a relative humidity between
95 and 100% at 160 +/- 4 degrees F. Abrasion Resistance:
The coating shall not be damaged by an eraser rubbed across
the same path, point to point, 100 complete cycles. The
force applied by the eraser shall be 2.0 - 2.5 pounds continuously.
The eraser will conform to MIL-E-12397. Adhesion:
Tape conforming to MIL-M-13508C shall be used. No part of
the coating shall be removed when tape is pressed against
the coated surface and then removed. Salt Fog: Per
MIL-STD-810B method 509, the coating shall withstand exposure
to a salt fog atmosphere for 48 hours at 95 degrees F without
changing spectral characteristics. Ordering Information
When placing an order or request for quotation, please provide
the following information: 1. QCI coating number and if
applicable, any variation in spectral requirements or electrical
properties from those given in this sheet. 2. The substrate
material being used, dimensions and quantity. Whether the
substrate is customer supplied or supplied by QCI. 3. Quantity
and delivery required.
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Conductive Anti-Reflection
Broadband Anti-Reflective Conductive
Coatings contain the anti-reflective quality, with an integrated
spectral reflectance (ISR) of less than .20% at a 20-degree
incident angle and a sheet resistance of 20 ohms per square
or less. BBAR Conductive Coatings also encompass the ability
to allow communications transfer without interference, such
as EMI (Electro- Magnetic Interference) and RFI (Radio-
Frequency Interference). These coatings are innovative and
extremely durable, able to withstand an eraser rub test
of 100 complete cycles at 2.0 to 2.5 lb. The coatings show
no evidence of peeling, flaking,
crazing or delaminiting and will not change in spectral
characteristics.
Our AR Conductive Coating meets all requirements of manufacturers,
and it is designed to react well to various atmospheres.
In an atmosphere with a relative humidity between 95 and
100% at 160 +/-4 degrees F, the coating shall endure exposure
for a period of 48 hours. In a salt fog atmosphere with
a temper- ature of 95 degrees, the coating shall forego
exposure for 48 hours without changing characteristics.
Pertaining to abrasion resistance, the coating will withstand
an eraser rub test of 100 complete cycles at 2.0 to 2.5
lb, when rubbed across the same path, point to point. The
eraser wil adhere to MIL-E- 12397. We also verify adhesion
by binding a tape, that agrees with MIL-M- 13508C, to the
surface of the glass and then removing it. No part of the
coating shall be removed during the test.
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