Manufacturing Services: Thin Film Technologies

Producers of high-quality thin film products since 1965 for space, military and commercial applications. We are committed to providing quick response quotations and product delivery, supported by our large inventory of raw materials.

All EDO's thin film products are fabricated in a 10,000 sq. ft. Class 10,000 clean room to the highest industry standards. Our resistor films are extremely uniform which improve substrate yield and minimize the cost of resistor trimming.

Substrate Base Materials

Aluminia (99.6%)
Fused Silica
Aluminum Nitride
Ferrite Materials (See EDO Electro-Ceramic Products)
Quartz
Silicon

Metallized Panels

Standard Metalization
- "A" Side - TaN/WTi/Au or WTi/Au
- "B" Side - WTi/AU
Solderable Metallization
- "A" Side - TaN/WTi/Au/Ni/Au
- "B" Side - WTi/Au

Thin Film Substrates

Fine Geometries:
- Gaps - 0.0003" min (7 microns)
- Lines - 0.0004" min (10 microns)
Double Sided - 0.0005" (13 microns) front to back registration
Metal Thickness ±15%
Conduction and Resistor dimensional tolerance:
- Critical Dimensions - ±0.0001" (2.5 microns)
- All others - ±0.0002" (5 microns)
Substrate dimensional tolerances - ±0.001" (25 microns)
Plated through holes

Resistor Networks

Resistor tolerance with laser trim ±1%
Resistor tolerance without laser trim ±5%
Sheet resistivities of 10 ohm/square to 150 ohms/square
TCR Range -20 ppm to -70 ppm
Delta R/R at 150 degrees C for 24 hours Typical 0.1
Powered life test
- 50 ohm/square material - 0.42% change powered at 200 watts/square inch
- 100 ohm/square material - 0.28% change in resistance of 2,000 hours powered at 200 watts/square inch

Fine Geometry Teflon Printed Wiring Boards

Fabricate 1/2 once copper printed circuit boards to 0.0012" gaps and 0.002" lines

Chemical Milling

AuSn Solder Preforms
Gold Shims
Weld Preforms
Beryllium Copper Shims

Photomasks

We create masks from data files submitted in many formats. The following formats are acceptable:

AutoCAD DXF and DWG
Gerber
GDSII
Dimensioned Drawings

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