PRINTED WIRING BOARD FOR ARRAY TYPE ULTRASONIC SEARCH UNIT

摘要

PURPOSE:To provide a printed wiring board for an array type ultrasonic search unit in which it can be used by cutting or the like according to the number of channels of a vibrator irrespective of the number of channels and also hardly renders a through hole or a wiring futile. CONSTITUTION:In a printed wiring board for an array type ultrasonic search unit which comprises a plurality of through holes 22 and an electrode part 24, and in which each through hole 22 is respectively connected with each electrode part 24 by a lead line part 23, a specific number of through hole 22 and the wiring 23 connecting to each through holes 22 are reckoned as one group and the plurality of through holes 22 and wirings 23 are sectioned into at least two groups to form a cutting region R extending in a straight line among respective groups, respectively.