無電解Ni-W-Pめっき膜を用いた中抵抗体の抵抗値の広範囲化

IR Web Site

Bibliographic Information

Other Title
  • ムデンカイ Ni W P メッキ マク オ モチイタ チュウ テイコウタイ ノ
  • Widening of Resistance Range of the Medium Ohm Metal Film Resistors Prepared by Electroless Ni-W-P Plating.

Search this article

Abstract

application

The medium ohm resistors up to 1kΩ and of less TCR than ±25ppm/℃ has been developed. The dispersion of resistance has been decreased by repeating activation and ultrasonic radiation in activation bath for a while. And, by dipping pre-treated substrates in water of same temperature as that of plating bath, the dispersion of resistance has been further decreased. It has been found that, by heat treatment at 200℃ in air, the resistance does not rise almost at all and TCR can be easily controlled by heat treatment time adjustment. The characteristics has not been affected even by plating in 30℃ bath.

Journal

Details 詳細情報について

Report a problem

Back to top