Microwave power amplifier chip carrier and preparation method thereof

The invention discloses a microwave power amplifier chip carrier and a preparation method thereof. The microwave power amplifier chip carrier comprises a high silicon aluminum alloy substrate, a chipcushion block and a film capacitor; the chip cushion block comprises a chip welding metal layer and a...

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Hauptverfasser: DING LEI, WANG LICHUN, ZHOU YI, REN WEIPENG, LIU MIFENG
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Sprache:chi ; eng
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creator DING LEI
WANG LICHUN
ZHOU YI
REN WEIPENG
LIU MIFENG
description The invention discloses a microwave power amplifier chip carrier and a preparation method thereof. The microwave power amplifier chip carrier comprises a high silicon aluminum alloy substrate, a chipcushion block and a film capacitor; the chip cushion block comprises a chip welding metal layer and a carrier welding metal layer, and the film capacitor comprises a bonding layer, a dielectric layerand an electrode metal layer. The manufacturing method comprises the following steps: providing the high silicon aluminum alloy substrate with a polished surface, and sequentially forming the bondinglayer and the dielectric layer in a thin film capacitor region on the first surface of the substrate; forming the metal layer on the chip welding area on the first surface of the substrate and the surface of the thin-film capacitor dielectric layer; after a carrier welding metal layer is formed on the second surface of the substrate, performing scribing. According to the microwave power amplifierchip carrier and the manufac
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Microwave power amplifier chip carrier and preparation method thereof
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