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Manufacturing Capabilities & Tolerancing Information

Manufacturing Capabilities

Capability (dimensional) Attribute Minimum Maximum Tolerance
Note:  Other shapes possible and quoted on a project basis.
Discs Outside Diameter 0.090" 4.000" ± .00050"
Rectangles Sides 0.040" 5.750" ± .00050"
Squares Sides 0.040" 2.750" ± .00500"
Holes Inside Diameter 0.006" 1.500" ± .00500"
Shears Diameter of Sides 0.050" 1.000"  
Thickness Thickness 0.050" 4.500" ± .00005"

Tolerancing (Standards)

Geometry Tolerance
Note:  These are standard tolerances. Higher tolerances available upon request. *As-fired plates have NO tolerance.
Disc Diameter ± 0.0050"
Ring, ID / OD ± 0.0050"
Plates ±0.0050"*
Thickness ± 0.0010"
Concentricity 0.0030"
Parallelism (lapped) 0.0005"/IN
Parallelism (sawed) 0.0040"/IN
Flatness (lapped) 0.0005"/IN
Flatness (sawed) 0.0040"/IN
Perpendicularity 1.0000°
Position 0.0050"
Angularity ± 2.0000°
Roundness 0.0010"
Finish (lapped) 16-Lapped
Finish (grind) 32-Grind

Frequency Tolerance
Less than 10 MHz ± 5.0%
10 MHz to 15 MHz ± 7.5%
Greater than 15 MHz ±10.0%

Electrode Thickness Tolerance
Screened Electrode: 1 Coat ± 0.0002"
Screened Electrode: 2 Coats ± 0.0004"
Sprayed Electrode ± 0.0003"
Sputtered Electrode ± 100.0000Å

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