绝缘涂层形成及FAB形成的原因:EFO(EFO: electronic flame off)烧球过程, 会激发火花,将电极的高能量传递到细线尾部。在表面张力的作用下,线熔化后形成球形焊点(Free Air Ball,简称FAB)。从FAB样品微观结构的研究显示,涂层固化过程起始于键合线与球的接口处,并且沿着球的直径方向进行,然后向外延伸到球的周边。涂层...
1) Free Air Ball(FAB) 无空气焊球2) ralel 无线电探空气球3) air Braze 空气钎焊4) welded hollow sphere 焊接空心球 1. In this paper,the welded hollow sphere joint was analyzed by using of commercial code ANSYS 9. 对焊接空心球节点,采用ANSYS9。 更多例句>> 5) high altitude balloon ...
网络球 网络释义 1. 球 稳定的初始球(free-air-ball)控制确保高产量及出色的焊接良品率。1.3 8028型焊线机的特点 本机的焊头架采用垂直导轨上下 … www.ycnet.cn|基于14个网页
air ball Dictionary, Encyclopedia and Thesaurus - The Free Dictionary13,891,919,126visits served TheFreeDictionary Google ? Keyboard Word / Article Starts with Ends with Text EnglishEspañolDeutschFrançaisItalianoالعربية中文简体PolskiPortuguêsNederlandsNorskΕλληνικήРус...
Accordingly, the ZAS wire could be a promising candidate for ball bonding in the future. Keywords: Al wire; free air ball (FAB); electronic flame-off (EFO); coating; bias test 1. Introduction Al wire has been used in the wire-bonding process for decades; however, the percentage is ...
See the best 21 free high-resolution photos of air balloon | 21 best free air balloon, aircraft, ball, and balloon photos on Unsplash selected by Mitch Sopo. These HD images are free to use for commercial projects.
The formation of good free air ball (FAB) in palladium coated copper wire depends on many factors including the type of protection gas used, flow rate, Electric Flame Off (EFO) current, firing time and gap between the tip of wire and EFO wand. These factors can individually or, in combin...
fair - (of a baseball) hit between the foul lines; "he hit a fair ball over the third base bag" baseball, baseball game - a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs; "he played baseball in high school"...
air ball n. a basketball throw that misses everything, especially the basket. Old Fred has become a master with the air ball. The net will never get worn out. See also: air, ball McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill...
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