摘要:
The present invention relates to novel polyamic acid; a photosensitive resin composition satisfying excellent flexibility and low stiffness and exhibiting excellent heat resistance and plating resistance; a dry film obtained from the photosensitive resin composition; and a circuit board including the dry film.
摘要:
The present invention relates to novel polyamic acid; a photosensitive resin composition satisfying excellent flexibility and low stiffness and exhibiting excellent heat resistance and plating resistance; a dry film obtained from the photosensitive resin composition; and a circuit board including the dry film.
摘要:
A method of searching an address book and a portable communication device using the same, the method including: arranging an address book based on a character selected from information being displayed on the portable communication device; and displaying the arranged address book.