Sn96.5Ag3.0Cu0.5 no-clean Solder Paste NP560 lead-free soldering paste SMT Solder Paste Sn96.5Ag3.0Cu0.5 no-clean Solder Paste NP560 flux solder paste Product description: Sn96.5Ag3.0Cu0.5 no-clean Solder Paste NP560 is a no-clean, lead-free,
Sn96.5Ag3.0Cu0.5 no-clean Solder Paste NP560 lead-free soldering paste SMT Solder Paste Sn96.5Ag3.0Cu0.5 no-clean Solder Paste NP560 flux solder paste Product description: Sn96.5Ag3.0Cu0.5 no-clean Solder Paste NP560 is a no-clean, lead-free,
Electronics Forum | Sun Jul 04 19:49:05 EDT 2004 | indy
Hello Everyone, We are having some problem with Palladium-Silver surface finish. We have ceramic components with the above surface finish. When we try to assemble these on Sn/Pb solder, we are observing open joints. If we reflow the compt for more t
Electronics Forum | Wed Dec 13 10:24:52 EST 2000 | Wolfgang Busko
Hi Jack, I once tried this finish ( without changing any process parameters ) and encountered wetting problems even in the first reflow process. It was thought as cheaper alternative to Ni/Au we use for planarity reasons. Heard of the same problems
Industry News | 2015-02-04 18:05:58.0
he SMTA Capital Chapter is pleased to announce its first meeting of 2015 on March 17th, scheduled from 5:30 pm to 8:00 pm at EIT (Main Building Lunchroom), 108 Carpenter Drive, Sterling, VA 20164. The focus of this chapter meeting will be “Elimination of Pb-Free Risk by Robotic Hot Solder Dip (RHSD)” presented by Donald Tyler, Managing Director, Corfin Industries.
Industry News | 2010-09-13 15:36:15.0
IPC — Association Connecting Electronics Industries® has released IPC-1601, Printed Board Handling and Storage Guidelines. The industry's sole standard on the handling, packaging and storage of printed boards, IPC-1601 provides users with guidance on how to protect printed boards from contamination, physical damage, solderability degradation, electrostatic discharge and moisture uptake.
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.
LED panel is a kind of flat panel display which is composed of small LED modules. It is the largest and most widely used large-screen panel technology at present. It can be used not only indoors but also outdoors, waterproof, windproof and rain proo
At present, the low-power laser and the medium-power laser are gradually being localized, while the superpower lasers are just beginning to be localized and is accelerating. How to improve the reliability of superpower lasers welding is an urgent tec
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SMTnet Express, Septemeber 1, 2016, Subscribers: 26,288, Companies: 14,937, Users: 41,025 Reliability Study of Low Silver Alloy Solder Pastes Jennifer Nguyen, David Geiger and Murad Kurwa; Flex (Flextronics International) Sn3.0Ag0.5Cu (SAC305
SMTnet Express January 24, 2013, Subscribers: 26136, Members: Companies: 9096, Users: 34208 An investigation into low temperature tin-bismuth and tin-bismuth-silver lead-free alloy solder pastes for electronics manufacturing applications
Heller Industries Inc. | https://hellerindustries.com/reflow-soldering-problems/
Reflow Soldering Problems? - Heller Home » Reflow Soldering Problems? Coming soon help@hellerindustries.com 1-800-394-OVEN 1-800-394-OVEN Company About News Events Heller Blog Certifications Equipment Convection Reflow Ovens New
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Reflow Soldering Problems-News-Reflow oven,SMT Reflow Soldering Oven-cmsadmin Reflow oven,SMT Reflow Soldering Oven 当前位置: Home >> News >> News Reflow Soldering Problems Reflow Soldering Problems The reflow soldering profile must be matched to the specific requirements of the solder paste as well as the thermal thresholds of the PCB
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