ARTICLES

Microwave Band-pass Filter and Passive Devices Using Copper Metal Process on Al2O3 Substrate

Introduction Nowadays the portable electronic appliances, such as laptop computers, Personal Digital Assistants (PDAs), cellular phones, MP3 players, etc., are rapidly growing in the life electrical popularization. Generally, the hand-held products demand miniaturization and multi-functionality, which are achieved by the module IC technology with highly integrated package. The high...
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