Catalog: Alumina 99.6%
Thin Film 99.6% Alumina Substrates
Catalog of Frequently Requested Configurations of 99.6% Alumina Ceramic Material
- Chips from as small as 1mm square up to 12″ square and 300mm diameter
- Thickness Tolerance: Unless otherwise noted, standard is + .001″-.002″. If lapped or polished, + .0005″ or better is available
- All 4″ dia. and 100mm dia. parts have a SEMI standard reference flat
- Surface Finishes:
AF = As Fired
LBS = Lapped Both Sides (10-20u” Ra)
PBS = Polished Both Sides (1-2u” Ra)
- Improved tolerances, surface finishes and alternate sizes are also available
- Visa, Mastercard, American Express and Purchasing Cards accepted.
- Please call or e-mail for a Quotation
SPECIAL: 99.6% Alumina, thin film ceramic substrates 300mm diameter x .050″ approx., as fired, flat to .0005″/inch
99.6% Thin Film Ceramic Substrate
Some items may have notch or flat.
Please call or e-mail to get details on 99.6% Alumina.
(pricing and availability may be subject to change)
Please note: Valley Design maintains a rotating stock of hundreds of items across variations of different material types, manufacturers, grades, dimensions, thicknesses, and tolerances. As our stock changes daily to meet the demand of our customers and their projects, items shown are representative of typically requested items but do not serve as a guarantee of current stock levels. We encourage you to
contact our Customer Service team to confirm the current stock level of your requested material and its specifications.
| Item # |
Geometry (“) |
Geometry (mm) |
Surface Finish |
| Al99-101 |
12″ sq. x .045″ thk |
304.79mm sq. x 1.142mm thk |
AS-FIRED |
| Al99-102 |
11.81″ dia. x .045″ thk |
300mm dia. x 1.142mm thk |
AS-FIRED |
| Al99-103 |
11.81″ dia. x .035″ thk |
300mm dia. x .888mm thk |
LAPPED |
| Al99-104 |
11.81″ dia. x .035″ thk |
300mm dia. x .888mm thk |
POLISHED |
| Al99-105 |
11.81″ dia. x .030″ thk |
300mm dia. x .761mm thk |
LAPPED |
| Al99-106 |
11.81″ dia. x .030″ thk |
300mm dia. x .761mm thk |
POLISHED |
| Al99-107 |
11.81″ dia. x .025″ thk |
300mm dia. x .634mm thk |
LAPPED |
| Al99-108 |
11.81″ dia. x .025″ thk |
300mm dia. x .634mm thk |
POLISHED |
| Al99-109 |
11.81″ dia. x .020″ thk |
300mm dia. x .507mm thk |
LAPPED |
| Al99-110 |
11.81″ dia. x .020″ thk |
300mm dia. x .507mm thk |
POLISHED |
| Al99-111 |
11.81″ dia. x .015″ thk |
300mm dia. x .381mm thk |
LAPPED |
| Al99-112 |
11.81″ dia. x .015″ thk |
300mm dia. x .381mm thk |
POLISHED |
| Al99-113 |
11.81″ dia. x .010″ thk |
300mm dia. x .253mm thk |
LAPPED |
| Al99-114 |
11.81″ dia. x .010″ thk |
300mm dia. x .253mm thk |
POLISHED |
| Al99-115 |
11.81″ dia. x .005″ thk |
300mm dia. x .126mm thk |
LAPPED |
| Al99-116 |
11.81″ dia. x .005″ thk |
300mm dia. x .126mm thk |
POLISHED |
| Al99-117 |
5.095″ dia. x .025″ thk |
150mm dia. x .635mm thk |
AS-FIRED |
| Al99-118 |
4.5″ sq. x .020″ thk |
114.3mm sq. x .508mm thk |
AS-FIRED |
| Al99-119 |
4.5″ sq. x .018″ thk |
114.3mm sq. x .4572mm thk |
AS-FIRED |
| Al99-120 |
4.5″ sq. x.015″ thk |
114.3mm sq. x .381mm thk |
LAPPED B/S |
| Al99-121 |
4.5″ sq. x.010″ thk |
114.3mm sq. x .254mm thk |
LAPPED B/S |
| Al99-122 |
4″ sq. x .015″ thk ± .0005″ |
101.5mm sq. x .381mm thk ± .0127mm |
AS-FIRED |
| Al99-123 |
4″ sq. x .040″ thk ± .0005″ |
101.5mm sq. x 1.016mm thk ± .0127mm |
POLISHED 1 SIDE |
| Al99-124 |
4″ sq. x .040″ thk ± .001″ |
101.5mm sq. x 1.016mm thk ± .0254mm |
POLISHED B/S |
| Al99-125 |
4″ sq. x .020″ thk ± .0005″ |
101.5mm sq. x .508mm thk ± .0127mm |
POLISHED B/S |
| Al99-126 |
4″ dia. x .025″ thk |
101.6mm dia. x .635mm thk |
AS-FIRED |
| Al99-127 |
4″ dia. x .015″ thk |
101.6mm dia. x .381mm thk |
POLISHED B/S |
| Al99-128 |
3.937″ dia. x .040″ thk |
100mm dia. x 1.016mm thk |
AS-FIRED |
| Al99-129 |
3.937″ dia. x .025″ thk |
100mm dia. x .635mm thk |
LAPPED B/S |
| Al99-130 |
3.937″ dia. x .025″ thk |
100mm dia. x .635mm thk |
POLISHED B/S |
| Al99-131 |
3.937″ dia. x .020″ thk |
100mm dia. x .508mm thk |
LAPPED B/S |
| Al99-132 |
3.937″ dia. x .020″ thk |
100mm dia. x .508mm thk |
POLISHED B/S |
| Al99-133 |
3.937″ dia. x .015″ thk |
100mm dia. x .381mm thk |
AS-FIRED |
| Al99-134 |
3.937″ dia. x .015″ thk |
100mm dia. x .381mm thk |
LAPPED B/S |
| Al99-135 |
3.937″ dia. x .015″ thk |
100mm dia. x .381mm thk |
POLISHED B/S |
| Al99-136 |
3.937″ dia. x .010″ thk |
100mm dia. x .254mm thk |
LAPPED B/S |
| Al99-137 |
3.937″ dia. x .010″ thk |
100mm dia. x .254mm thk |
POLISHED B/S |
| Al99-138 |
3.937″ dia. x .005″ thk |
100mm dia. x .127mm thk |
LAPPED B/S |
| Al99-139 |
3.937″ dia. x .005″ thk |
100mm dia. x .127mm thk |
POLISHED B/S |
| Al99-140 |
3″ sq. x .025″ thk ± .002″ |
76.2mm sq. x .635mm thk ± .0508mm |
AS-FIRED |
| Al99-141 |
3″ sq. x .015″ thk ± .0005″ |
76.2mm sq. x .381mm thk ± .0127mm |
AS-FIRED |
| Al99-142 |
3″ sq. x .020″ thk ± .0005″ |
76.2mm sq. x .508mm thk ± .0127mm |
POLISHED B/S |
| Al99-143 |
3″ sq. x .015″ thk ± .0005″ |
76.2mm sq. x .381mm thk ± .0127mm |
POLISHED B/S |
| Al99-144 |
2.65″ x 2.173″ x .045″ thk |
67.31mm x 55.1942mm x 1.143mm thk |
AS-FIRED |
| Al99-145 |
2.25″ sq. x .050″ thk |
57.15mm sq. x 1.27mm thk |
LAPPED B/S |
| Al99-146 |
2.25″ sq. x .050″ thk |
57.15mm sq. x 1.27mm thk |
POLISHED B/S |
| Al99-147 |
2.25″ sq. x .040″ thk |
57.15mm sq. x 1.016mm thk |
LAPPED B/S |
| Al99-148 |
2.25″ sq. x .040″ thk |
57.15mm sq. x 1.016mm thk |
POLISHED B/S |
| Al99-149 |
2.25″ sq. x .034″ thk |
57.15mm sq. x .8636mm thk |
POLISHED B/S |
| Al99-150 |
2.25″ sq. x .028″ thk |
57.15mm sq. x .7112mm thk |
LAPPED B/S |
| Al99-151 |
2.25″ sq. x .025″ thk |
57.15mm sq. x .635mm thk |
LAPPED B/S |
| Al99-152 |
2.25″ sq. x .025″ thk |
57.15mm sq. x .635mm thk |
POLISHED 1 SIDE |
| Al99-153 |
2.25″ sq. x .025″ thk |
57.15mm sq. x .635mm thk |
POLISHED B/S |
| Al99-154 |
2.25″ sq. x .020″ thk |
57.15mm sq. x .508mm thk |
POLISHED B/S |
| Al99-155 |
2.25″ sq. x .015″ thk |
57.15mm sq. x .381mm thk |
LAPPED B/S |
| Al99-156 |
2.25″ sq. x .015″ thk |
57.15mm sq. x .381mm thk |
POLISHED B/S |
| Al99-157 |
2.25″ sq. x .010″ thk |
57.15mm sq. x .254mm thk |
LAPPED B/S |
| Al99-158 |
2.20″ x 2.06″ x .050″ thk |
55.88mm sq. x 52.324mm x 1.27mm thk |
AS-FIRED |
| Al99-159 |
2.1″ sq. x .040″ thk |
53.34mm sq. x 1.016mm thk |
AS-FIRED |
| Al99-160 |
2.1″ sq. x .040″ thk |
53.34mm sq. x 1.016mm thk |
LAPPED B/S |
| Al99-161 |
2.1″ sq. x .040″ thk |
53.34mm sq. x 1.016mm thk |
POLISHED B/S |
| Al99-162 |
2.1″ sq. x .035″ thk |
53.34mm sq. x .889mm thk |
AS-FIRED |
| Al99-163 |
2.1″ sq. x .029″ thk |
53.34mm sq. x .7366mm thk |
LAPPED B/S |
| Al99-164 |
2.1″ sq. x .025″ thk |
53.34mm sq. x .635mm thk |
LAPPED B/S |
| Al99-165 |
2.1″ sq. x .025″ thk |
53.34mm sq. x .635mm thk |
POLISHED B/S |
| Al99-166 |
2.1″ sq. x .016″ thk |
53.34mm sq. x .4064mm thk |
LAPPED B/S |
| Al99-167 |
2.1″ sq. x .015″ thk |
53.34mm sq. x .381mm thk |
POLISHED B/S |
| Al99-168 |
2.1″ sq. x .010″ thk |
53.34mm sq. x .254mm thk |
AS-FIRED |
| Al99-169 |
2.1″ sq. x .010″ thk |
53.34mm sq. x .254mm thk |
POLISHED B/S |
| Al99-170 |
2″ sq. x .050″ thk |
50.8mm sq. x 1.27mm thk |
LAPPED B/S |
| Al99-171 |
2″ sq. x .040″ thk |
50.8mm sq. x 1.016mm thk |
POLISHED B/S |
| Al99-172 |
2″ sq. x .037″ thk |
50.8mm sq. x .9398mm thk |
LAPPED B/S |
| Al99-173 |
2″ sq. x .029″ thk |
50.8mm sq. x .7366mm thk |
LAPPED B/S |
| Al99-174 |
2″ sq. x .025″ thk |
50.8mm sq. x .635mm thk |
LAPPED B/S |
| Al99-175 |
2″ sq. x .025″ thk |
50.8mm sq. x .635mm thk |
POLISHED 1 SIDE |
| Al99-176 |
2″ sq. x .025″ thk |
50.8mm sq. x .635mm thk |
POLISHED B/S |
| Al99-177 |
2″ sq. x .020″ thk |
50.8mm sq. x .508mm thk |
AS FIRED |
| Al99-178 |
2″ sq. x .020″ thk |
50.8mm sq. x .508mm thk |
LAPPED B/S |
| Al99-179 |
2″ sq. x .020″ thk |
50.8mm sq. x .508mm thk |
POLISHED B/S |
| Al99-180 |
2″ sq. x .016″ thk |
50.8mm sq. x .4064mm thk |
LAPPED B/S |
| Al99-181 |
2″ sq. x .015″ thk |
50.8mm sq. x .381mm thk |
AS-FIRED |
| Al99-182 |
2″ sq. x .015″ thk |
50.8mm sq. x .381mm thk |
LAPPED B/S |
| Al99-183 |
2″ sq. x .015″ thk |
50.8mm sq. x .381mm thk |
POLISHED 1 SIDE |
| Al99-184 |
2″ sq. x .015″ thk |
50.8mm sq. x .381mm thk |
POLISHED B/S |
| Al99-185 |
2″ sq. x .010″ thk |
50.8mm sq. x .254mm thk |
AS-FIRED |
| Al99-186 |
2″ sq. x .010″ thk |
50.8mm sq. x .254mm thk |
LAPPED B/S |
| Al99-187 |
2″ sq.x .010″ thk |
50.8mm sq. x .254mm thk |
POLISHED B/S |
| Al99-188 |
2″ sq. x .006″ thk |
50.8mm sq. x .1524mm thk |
LAPPED B/S |
| Al99-189 |
2″ sq. x .005″ thk |
50.8mm sq. x .127mm thk |
LAPPED B/S |
| Al99-190 |
2″ sq. x .005″ thk |
50.8mm sq. x .127mm thk |
POLISHED B/S |
| Al99-191 |
2″ sq. x .004″ thk |
50.8mm sq. x .1016mm thk |
LAPPED B/S |
| Al99-192 |
2″ sq. x .003″ thk |
50.8mm sq. x .0762mm thk |
LAPPED B/S |
| Al99-193 |
1.97″ sq. x .025″ thk |
50.038mm sq. x .635mm thk |
POLISHED B/S |
| Al99-194 |
1″ sq. x .050″ thk |
25.4mm sq. x 1.27mm thk |
POLISHED B/S |
| Al99-195 |
1″ sq. x .040″ thk |
25.4mm sq. x 1.016mm thk |
POLISHED B/S |
| Al99-196 |
1″ sq. x .025″ thk |
25.4mm sq. x .635mm thk |
LAPPED B/S |
| Al99-197 |
1″ sq. x .025″ thk |
25.4mm sq. x .635mm thk |
POLISHED B/S |
| Al99-198 |
1″ sq. x .020″ thk |
25.4mm sq. x .508mm thk |
LAPPED B/S |
| Al99-199 |
1″ sq. x .020″ thk |
25.4mm sq. x .508mm thk |
POLISHED B/S |
| Al99-200 |
1″ sq. x .015″ thk |
25.4mm sq. x .381mm thk |
LAPPED B/S |
| Al99-201 |
1″ sq. x .015″ thk |
25.4mm sq. x .381mm thk |
POLISHED B/S |
| Al99-202 |
1″ sq. x .010″ thk |
25.4mm sq. x .254mm thk |
LAPPED B/S |
| Al99-203 |
1″ sq. x .010″ thk |
25.4mm sq. x .254mm thk |
POLISHED B/S |
| Al99-204 |
1″ sq. x .006″ thk |
25.4mm sq. x .1524mm thk |
LAPPED B/S |
| Al99-205 |
1″ sq. x .005″ thk |
25.4mm sq. x .635mm thk |
LAPPED B/S |
| Al99-206 |
1″ sq. x .005″ thk |
25.4mm sq. x .127mm thk |
POLISHED B/S |
| Al99-207 |
1″ sq. x .004″ thk |
25.4mm sq. x .1016mm thk |
LAPPED B/S |
| Al99-208 |
1″ sq. x .004″ thk |
25.4mm sq. x .1016mm thk |
POLISHED B/S |
| Al99-209 |
1″ sq. x .003″ thk |
25.4mm sq. x .0762mm thk |
LAPPED B/S |
| Al99-210 |
1″ sq. x .003″ thk |
25.4mm sq. x .0762mm thk |
POLISHED B/S |
| Al99-211 |
1″ sq. x .002″ thk |
25.4mm sq. x .0508mm thk |
LAPPED B/S |
| Al99-212 |
1″ sq. x .002″ thk |
25.4mm sq. x .0508mm thk |
POLISHED B/S |
| Al99-213 |
1″ sq. x .001″ thk |
25.4mm sq. x .0254mm thk |
LAPPED B/S |
| Al99-214 |
1″ sq. x .001″ thk |
25.4mm sq. x .0254mm thk |
POLISHED B/S |