What We Do Vision EpiWorks Board Industry Links Press Kit Terms and Conditions for Sale of Wafers RoHS certificate

We hereby warrant that all epitaxial semiconductor materials supplied by EpiWorks, Inc. contain less than the allowable threshold amounts of all Level A Banned Substances, per Table 1. This certification does not apply to packaging materials.
Table 1 – Level A Materials and Substances

Substance

Threshold Level

Level

Asbestos

W.I.A.  (Note 1)

N.I.A. (Note 2)

Azo colorants

W.I.A.

N.I.A.

Cadmium (Cd) and cadmium compounds

75 ppm or W.I.A.

B.T. (Note 3)

Hexavalent Chromium (Cr VI) and Cr VI compounds

< 1, 000 ppm or W.I.A.

B.T.

Lead (Pb) and lead compounds

< 1, 000 ppm or W.I.A.

B.T.

Mercury (Hg) and mercury compounds

< 1, 000 ppm or W.I.A.

B.T.

Ozone Depleting Substances: Class I

W.I.A.

N.I.A.

Ozone Depleting Substances: Class II HCFCs

< 1,000 ppm

B.T.

Polybrominated biphenyls (PBB)

< 1, 000 ppm or W.I.A.

B.T.

Polybrominated diphenyl ethers (PBDE)

< 1, 000 ppm or W.I.A.

B.T.

Polychlorinated biphenyls (PCB)

W.I.A.

N.I.A.

Polychlorinated Naphthalenes (> 3 chloride atoms)

W.I.A.

N.I.A.

Radioactive substances

W.I.A.

N.I.A.

Shortchain Chlorinated Paraffins

W.I.A.

N.I.A.

Tributyl Tin (TBT); Triphenyl Tin (TPT)

W.I.A.

N.I.A.

Tributyl Tin Oxide (TBTO)

W.I.A.

N.I.A.

Notes: 1) W.I.A. – Where intentionally added; 2) N.I.A. – Not intentionally added; 3) B.T. – Below threshold level or not present in raw material and not intentionally added. “Intentionally added” means the deliberate use in the formulation of a product or subpart where its continued presence is desired in the final product or subpart to provide a specific characteristic, appearance or quality.

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