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OwnerYasuyuki Kojima, Seigou Yukutake +4inventors
InventorsYasuyuki Kojima, Seigou Yukutake, Noboru Akiyama, Takao Miwa, Takashi Naito, Toshiya Sato
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There is disclosed a method of narrowing a focus of a powerful electromagnetic wave such as excimer laser toward a capacitor formed in a glass substrate, and adjusting and trimming a change amount of crystallized glass formed in this portion in a limited manner. A capacity value can be trimmed without influencing an outer configuration and other peripheral components, a circuit board whose property is unchanged and whose dispersion is little can be manufactured, and the capacity value can more precisely be adjusted by trimming an exclusive-use capacitor.
A trimming method of an electric circuit board including a glass substrate, and an electric circuit constituting element on or inside the glass substrate, said method comprising steps of
A trimming method of an electric circuit board including a glass substrate, an electric circuit constituting element inside the glass substrate, and a pair of electrodes disposed so as to hold the electric circuit constituting element therebetween, said method comprising steps of
A trimming method of an electric circuit board including a glass substrate, and an electric circuit constituting element inside the glass substrate, said method comprising steps of
An electric circuit board including a glass substrate, comprising:
An electric circuit board including a glass substrate, comprising:
A trimming method of an electric circuit board including a glass substrate, comprising:
A trimming apparatus of an electric circuit board including a glass substrate, comprising:
Dependencies are inferred from the claim text.