Compendium of U.S. Copyright Practices, 3rd Edition

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1213.1 ID Material for Commercially Exploited Mask Works

1213.1 ID Material for Commercially Exploited Mask Works

For a commercially exploited mask work, the applicant is required to submit the following as identifying material:

• Four chips (dies) as first commercially exploited; and

• One full set of visually perceptible representations of each layer of the mask work.

37 C.F.R. § 211.5 (B) (1). The U.S. Copyright Office will accept the deposit of loose chips in plastic containers or plastic bags, defective chips (commonly marked with a dot on the surface of the chip), and chips in pronged housings. The Office will not accept the deposit of chips in wafer format. Chips that do not appear to be integrated into a semiconductor substrate will be questioned.

Regarding the visually perceptible representations, the applicant may elect to deposit plastic color overlays, composite plots, or photographs of each layer of the mask work, or any combination thereof. Id.

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