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1. (WO2018121212) ALUMINUM ALLOY HOUSING, PREPARATION METHOD THEREFOR AND PERSONAL ELECTRONIC DEVICE

Pub. No.:    WO/2018/121212    International Application No.:    PCT/CN2017/115132
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Sat Dec 09 00:59:59 CET 2017
IPC: C25D 11/04
H05K 5/04
H01Q 1/27
Applicants: BYD COMPANY LIMITED
比亚迪股份有限公司
Inventors: LIAO, Chongchong
廖重重
WANG, Yu
王钰
CHEN, Liang
陈梁
Title: ALUMINUM ALLOY HOUSING, PREPARATION METHOD THEREFOR AND PERSONAL ELECTRONIC DEVICE
Abstract:
Provided are an aluminum alloy housing, a preparation method therefor and a personal device, the aluminum alloy housing comprising: an aluminum alloy base body (1) and an oxidation film layer (2), the aluminum alloy base body (1) being provided there on with a slit (3); the oxidation film layer (2) comprises an inner layer anodic oxide film layer (21) and an outer layer anodic oxide film layer (22), the inner layer anodic oxide film layer (21) being provided with inner layer anodic oxide film layer nanopores, while the outer layer anodic oxide film layer (22) is provided with outer layer anodic oxide film layer nanopores; the density of the inner layer anodic oxide film layer nanopores is 200-550 nanopores per square micrometer, and the density of the outer layer anodic oxide film layer nanopores is 550-900 nanopores per square micrometer.