Etching for bonding polymer material to anodized metal

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United States of America Patent

PATENT NO 11547005
APP PUB NO 20190098780A1
SERIAL NO

16125352

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Abstract

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This application relates to a multi-piece enclosure for a portable electronic device. The enclosure includes a metal part including a metal substrate and a metal oxide layer overlaying the metal substrate, the metal oxide layer having an external surface that includes openings that lead into undercut regions. The openings are characterized as having a first width, and the undercut regions are characterized as having a second width that is greater than the first width. The enclosure further includes a non-metallic bulk layer including protruding portions that extend into the undercut regions such that the non-metallic bulk layer is interlocked with the metal part.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCONE APPLE PARK WAY CUPERTINO CA 95014

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Curran, James A Morgan Hill, US 58 350
Mintz, Todd S San Jose, US 23 30
Yang, Isabel San Jose, US 16 6

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