Wenderoth, Lind & Ponack, L.L.P.
Flexible substrate, multilayer flexible substrate
A flexible substrate includes: (i) a film; (ii) an insulating resin layer formed on each of a front face of the film and a rear face of the film, which rear face is opposite to the front face; (iii) a front-sided wiring pattern embedded in the insulating resin layer formed on the front face of the film, and a rear-sided wiring pattern embedded in the insulating resin layer formed on the rear face of the film; and (iv) a via which is located between the front-sided wiring pattern and the rear-sided wiring pattern and serves to electrically interconnect the front-sided wiring pattern and the rear-sided wiring pattern, wherein the insulating resin layer formed on each of the front face and the rear face of the film is thicker than the film.
Panasonic Corporation
Y H H H H H Y H H H Y H
Y10T H01L H05K H05K H01L H05K Y10T H05K H05K H05K Y10T H05K
additional additional inventional additional additional additional additional inventional additional additional additional additional
Hiroki Takashi Yoshihisa Toshio Satoru Seiichi
Yabe Ichiryu Yamashita Fujii Tomekawa Nakatani