亚洲免费网站观看视频_欧美一级色中文字幕第二页_日本人妻少妇中文字幕乱码_久操视频在线免费看_男人的天堂在线播放_精品国内自产拍在线观看尤物_欧美日韩免费黄色网站_狠狠色丁香婷婷综合精品视频_歐美一區二區三區電影_九九热这里只有精品6

Location: Home > Product > Through Hole Series
Product List

Black hole

Product Details

Performance Characteristics


  • It has high dispersibility and good stability, and can be added the solution with 5X concentration

  • The carbon film is easy to remove and peels off in 5-7 seconds. It is suitable for the production of multi-layer soft board and black hole of blind hole board, without residual carbon

  • It is suitable for direct electroplating. After the black hole, it can be coated and developed for direct electroplating

  • It is especially suitable for hard board production, replacing PTH and conductive polymer. It only needs to make one black hole, saving water, electricity and labor


Treatment Effect


                       Comparison of hole climbing performance of production line - DTV

Shanghai Unifree Electronic Technology Co., Ltd
Tel:021-6829 6069
Address: No. 866, Tongfa Road, Laogang Town, Pudong New Area, Shanghai
Kunshan Shangyu Electronic Technology Co., Ltd
Tel:15377199889
Address: No.12, Fengxia Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province, China
Shenzhen Shangrong Electronic Technology Co., Ltd
Tel:18665899519
Address: 311, building B1, Yongqi business building, Yintian Industrial Zone, Yantian community, Xixiang street, Bao'an District, Shenzhen
SCAN
Copyright ? 2021 Shanghai Unifree Electronic Technology Co., Ltd. All Rights Reserved  Technical Support:Wuselu