Friday, April 24, 2009

Next Generation TV

•High-definition TV
•Digital TV
•Mobile DTV
•High-definition DTV
•Mobile HDTV (or High-definition MDTV)

Digital Communications

•data compression (or source coding)/ signal processing /channel coding
•video compression (or source video coding)/ image processing/ channel video coding
•audio compression (or source audio coding)/ sound processing/ channel audio coding

線路(Circuitry)

•工法(Methodology)
–塗(Painting/ Filling)
–鍍(Plating/ Coating)
–染(Dying/ Finishing)
•技術(Technology)
–印刷(Printing)
–沉積(Deposition)
–離子佈植(Ion-Implantation)
•製程(Processing)
–厚膜(Thick-Film)
–薄膜(Thin-Film)
–半導體(Semi-conductor)

Wednesday, April 22, 2009

Printed Wire Boards

•Rigid
•Flexible
•Rigid Flexible Complex

Substrate Materials

•Polytetrafluoroethylene, PTFE, 聚四氟乙烯
–Dk~2.02
–Df~0.00022
–Ex. Dupont/TEFLON
•Polyphenylene oxide, PPO, 聚苯醚
–Dk~3.2
–Df~0.002
–Ex. GE/GETEK
•Polyphenylene ether, PPE, 聚苯醚
–Dk~3.5
–Df~0.002
–Ex. Panasonic/MEGTRON
•Liquid crystal polymer, LCP, 液晶聚合樹脂
–Dk~3
–Df~0.003
–Ex. Rogers/ULTRALAM

Wednesday, April 15, 2009

重要工藝

•玻璃器(glass-ware, Egypt?)<-->氧化矽(silica)電路基板
•陶瓷器(ceramic-ware, China?)<-->氧化鋁(alumina)電路基板
•漆器(lacquer-ware, Japan?)<-->塑膠(resin)電路基板

Friday, April 3, 2009

Microwave or Wireless

•microwave
–industrial; military; aerospace
–out-door; long range
–antenna: directional; bean-forming; smart
–propagation: one line-of-sight direct path with one or few indirect paths
–circuit: dual-layer ceramic substrate based printed circuit
–circuit miniaturization: thick-film; thin-film; microwave integrated circuit
•wireless
–commercial
–in-house; short range
–propagation: multipath
–antenna: omni-directional; diversity or multiplexing; dumb
–circuit: multi-layer organic substrate based printed circuit
–circuit miniaturization: SMD; RF integrated circuit