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Perfectly Controlled Immersion Tin System The Horizon Stannatech system is the leading immersion tin system within the entire PCB industry. Together with the Stannatech process and Atotech's unique Crystallizer and ConStannic control systems for im
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Ludee Circuits offer RoHS PCB.We could offer leadfree HASL,Entek, flash gold, immersion gold, immersion silver, immersion tin finishing based on standard FR-4, CEM-3 materials, Teflon, Rogers RO4000 series, as well as high Tg S1170 materials.
Technical Library | 2019-04-10 22:08:31.0
The stimulating impact of the automotive industry has sharpened focus on immersion tin (i-Sn) more than ever before. Immersion tin with its associated attributes, is well placed to fulfill the requirements of such a demanding application. In an environment dominated by reliability, the automotive market not only has very stringent specifications but also demands thorough qualification protocols. Qualification is ultimately a costly exercise. The good news is that i-Sn is already qualified by many tier one OSATs. The focus of this paper is to generate awareness of the key factors attributed to soldering i-Sn. Immersion tin is not suitable for wire bonding but ultimately suited for multiple soldering applications. The dominant topics of this paper will be IMC formations in relation to reflow cycles and the associated solderability performance. Under contamination free conditions, i-Sn can provide a solderable finish even after multiple reflow cycles. The reflow conditions employed in this paper are typical for lead free soldering environments and the i-Sn thicknesses are approximately 1 μm.
Layer: 2 layer Materials: PI Copper Thickness: 35um Min Board Thickness: 0.1mm Surface coating: HAL, HAL LF, Immersion Gold, Immersion Tin, Immersion Silver PI thickness: 1/2mil, 1 to 10 mil ADH thickness: 1/2mil, 1mil FPC, flexible PCB OEM/OD
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2Layers - 18Layers ;HASL, OSP, Gold plating, immersion Gold/Silver/Tin, removable mask, gold-finger, carbon ink;Conact Person:Rene E-mail:rene@speedingcircuit.com Website:www.speedingcircuit.com
Ridgid, bare board manufacturing of military, high reliability, quick-turn, prototype, single, double-sided, and multilayer boards, blind and buried vias, carbon ink, immersion silver, immersion tin, reflow, hasl, nickel and gold, all colors of legen
