New Equipment | Solder Materials
Ceasolder-PAL (Pink Acrylic Latex) Peelable Acrylic Latex Solder Mask Ceasolder-Pal is a temporary, peelable solder mask comprised of a thixotropic, synthetic acrylic latex designed to withstand fluxing, wave soldering and cleaning operations. Unli
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Layer Count: 8L Board Thickness: 1.0mm Panel Dimension:190*86mm/2up Material: S1141 Copper on board surface: 35μm Min Hole Diameter: 0.1mm Min line Width/Space: 8/8mil Surface Finish: ENIG+Selective OSP in BGA area This quick turn PCB is manufacture
Electronics Forum | Wed Apr 26 10:27:37 EDT 2006 | slaine
weve hand soldered a few components that were tarnished with no problems, also the tarnish is electrically conductive if it helps.
Electronics Forum | Thu Apr 20 17:16:02 EDT 2006 | GS
Silver tarnish on lead could compromise the soldering, mainly in case of No Clean process. Make sure components are correctly packaged and stored. Check the vintage ( Manufacturing Data Code) and in order to avoid them to get old on shelf make sure F
Industry News | 2011-04-06 13:13:52.0
Dow Electronic Materials will showcase its innovative materials for printed circuit boards (PCBs) at this year’s IPC APEX EXPO. Dow will feature a number of its latest products that are tailored to meet the requirements of increasingly complex circuit boards while delivering ever-higher reliability and consistency. Dow’s next-generation of high quality, cost-effective technologies allow customers to meet future market requirements.
Industry News | 2021-03-03 14:17:42.0
New CIT Relay & Switch IP67 Process Sealed VM3S Series Snap-Action Switch Protects Against Environmental Distress
Technical Library | 2023-08-04 15:27:30.0
A designed experiment evaluated the influence of several variables on appearance and strength of Pb-free solder joints. Components, with leads finished with nickel-palladium-gold (NiPdAu), were used from Texas Instruments (TI) and two other integrated circuit suppliers. Pb-free solder paste used was tin-silver-copper (SnAgCu) alloy. Variables were printed wiring board (PWB) pad size/stencil aperture (the pad finish was consistent; electrolysis Ni/immersion Au), reflow atmosphere, reflow temperature, Pd thickness in the NiPdAu finish, and thermal aging. Height of solder wetting to component lead sides was measured for both ceramic plate and PWB soldering. A third response was solder joint strength; a "lead pull" test determined the maximum force needed to pull the component lead from the PWB. This paper presents a statistical analysis of the designed experiment. Reflow atmosphere and pad size/stencil aperture have the greatest contribution to the height of lead side wetting. Reflow temperature, palladium thickness, and preconditioning had very little impact on side-wetting height. For lead pull, variance in the data was relatively small and the factors tested had little impact.
Technical Library | 2024-04-08 15:46:36.0
A designed experiment evaluated the influence of several variables on appearance and strength of Pb-free solder joints. Components, with leads finished with nickel-palladium-gold (NiPdAu), were used from Texas Instruments (TI) and two other integrated circuit suppliers. Pb-free solder paste used was tin-silver-copper (SnAgCu) alloy. Variables were printed wiring board (PWB) pad size/stencil aperture (the pad finish was consistent; electrolysis Ni/immersion Au), reflow atmosphere, reflow temperature, Pd thickness in the NiPdAu finish, and thermal aging. Height of solder wetting to component lead sides was measured for both ceramic plate and PWB soldering. A third response was solder joint strength; a "lead pull" test determined the maximum force needed to pull the component lead from the PWB. This paper presents a statistical analysis of the designed experiment. Reflow atmosphere and pad size/stencil aperture have the greatest contribution to the height of lead side wetting. Reflow temperature, palladium thickness, and preconditioning had very little impact on side-wetting height. For lead pull, variance in the data was relatively small and the factors tested had little impact.
Challenges of Lead-Free Low Silver Content End Termination Pastes for Inductor Applications Challenges of Lead-Free Low Silver Content End Termination Pastes for Inductor Applications The silver end termination plays an important role
