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Inventor: Cheng-Chung Chen


Address: Hsinchu City, TW
No. of applications: 5
Last application issue date: 03/04/2010

Application No.Application TitleIssue Date
20100052782TRANSFORMER AND STRUCTURE THEREOF AND POWER AMPLIFIER
A transformer and a structure thereof and a power amplifier are provided. The transformer includes a first inductor to a fourth inductor, a first capacitor, and a second capacitor. A first terminal of the first inductor receives a first signal. A first terminal of the s...
03/04/2010
20090045877POWER AMPLIFIER CIRCUIT FOR MULTI-FREQUENCIES AND MULTI-MODES AND METHOD FOR OPERATING THE SAME
A multi-frequency and multi-mode power amplifier is provided. The amplifier has a carrier power amplifier and a peaking power amplifier. The carrier power amplifier receives a first signal and outputs a first amplified signal, in which a first transistor size adjusting ...
02/19/2009
20080191366Bumping process and bump structure
A bumping process comprises forming a passivation layer having a planarized surface covering a pad on a substrate, forming a hole penetrating through the passivation layer to expose a contact surface of the pad, and forming a bump on the contact surface and planarized s...
08/14/2008
20060234491Bumping process and bump structure
A bumping process comprises forming a passivation layer having a planarized surface covering a pad on a substrate, forming a hole penetrating through the passivation layer to expose a contact surface of the pad, and forming a bump on the contact surface and planarized s...
10/19/2006
20060046682Dual-band bandpass filter
A dual-band bandpass filter having a first pass band and a second pass band respectively corresponding to a first frequency and a second frequency. The filter includes a first pair of resonators, a second pair of resonators and a first coupling element. The first pair o...
03/02/2006
 
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