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All Through-hole & SMT PC Board Assembly equipments,Reflow and wavesoldering equipments,Humiseal conformal coating,SCH Technologies conformal coating equipments,Kyzen Cleaning solutions,Metronelec Solderability tester,Curing oven
New Equipment | Assembly Services
BEST can provide you with analysis services for your BGAs using x-ray equipment. We rework thousands of BGAs and POPs every year, therefore, we have the expertise in BGA X-ray inspection. BEST can be your outsourced BGA x-ray inspection source for o
New Equipment | Solder Materials
8 hours in controlled environment) Prints consistently at a wide range of speeds Wide reflow process window for profiling Excellent wetting on a variety of surface finishes Maintains tack over time Suitable for SnPb eutectic alloys as well
Electronics Forum | Fri Apr 09 09:08:40 EDT 2010 | cast2010
Hello, I produce two types of board. - 100% Thru Hole - 50% thru hole and 50% SMT For the second, I have a bad wetting after the reflow on the top. The pcb board have Au-Ni pad. I use a water soluble paste. I clean the board with a solution with
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Used SMT Equipment | SPI / Solder Paste Inspection
The LSM300 follows the successful Laser section Microscopes LSM and LSM2. This new non-contact laser based system is an off-Line solder paste inspection system.LSM300 provides automatic height measurements, eliminating the inconsistencies of manual m
Used SMT Equipment | Soldering - Reflow
Vitronics Soltec Delta 5 Leadfree Wave Soldering MachineBrand: VitronicsModel: Soltec Delta 5 Pb-free Wave Soldering MachineYear: 2011Serial Number: 10.91158 Specifications:Top preheat - Zone 3: IR LampsBottom preheat - Zone 1 and 3: Calrod type, Zon
Industry News | 2018-10-18 08:02:28.0
What are the advantages of use nitrogen process for SMT reflow oven?
Industry News | 2018-10-18 08:21:10.0
How to Prevent Non-Wetting Defect during the SMT Reflow Process
Technical Library | 2023-01-17 17:27:13.0
Reflow profile has significant impact on solder joint performance because it influences wetting and microstructure of the solder joint. The degree of wetting, the microstructure (in particular the intermetallic layer), and the inherent strength of the solder all factor into the reliability of the solder joint. This paper presents experimental results on the effect of reflow profile on both 63%Sn 37%Pb (SnPb) and 96.5%Sn 3.0%Ag 0.5%Cu (SAC 305) solder joint shear force. Specifically, the effect of the reflow peak temperature and time above solder liquidus temperature are studied. Nine reflow profiles for SAC 305 and nine reflow profiles for SnPb have been developed with three levels of peak temperature (230 o C, 240 o C, and 250 o C for SAC 305; and 195 o C, 205 o C, and 215 o C for SnPb) and three levels of time above solder liquidus temperature (30 sec., 60 sec., and 90 sec.). The shear force data of four different sizes of chip resistors (1206, 0805, 0603, and 0402) are compared across the different profiles. The shear force of the resistors is measured at time 0 (right after assembly). The fracture surfaces have been studied using a scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS)
Technical Library | 2007-08-16 13:34:31.0
While experienced inspectors may be able to determine the aesthetic differences between a lead-free PCB assembly and a tin-lead version, one cannot rely on the "experienced eye". "Less wetting out to the pad edges" (Figure A) and "graininess and lack of shininess of the solder joint" (Figure B) are typical comments about some lead-free solder joints. However, in cases where a Nitrogen atmosphere was present during the reflow of the solder joint (Figure C), there will be little visual differences between the lead free alloys and their tin-lead counterparts.
Lyra Reflow Oven is a soft soldering that realizes the mechanical and electrical connection between the solder ends of surface mount components or the pins and the printed board pads by remelting the solder paste pre-distributed on the printed board
https://www.ascen.ltd/Products/Solder_paste_printer/513.html full auto PCB screen printer and SMT solder paste printing machine with Image and optical system,It is a very accurate fully automatic SMT stencil printer.automatic PCB screen printer main
Events Calendar | Wed Mar 07 00:00:00 EST 2018 - Wed Mar 07 00:00:00 EST 2018 | ,
Solder Paste Qualification Testing - SMTA Webinar
Career Center | Burbank, California USA | Production
SMT Machine Operator Requirements: Set-up, and operate SMT Machinery Knowledge of PCB layout, fabrication and prototyping PCB layout, component placement, and routing Solder-Paste SMT placement machines and programming Pick-n-
Career Center | Oldsmar, Florida USA | Maintenance,Production
Job Description: • Uses microscope to verify correct part placement and orientation, manually align parts before soldering and perform post re-flow inspection and touch-up. • Able to identify and touch up poor wetted solder joints, solder voids / i
Career Center | Wesley Chapel, Florida USA | Engineering,Management,Quality Control
15 years of experience on Electronic Manufacturing. Certified SMT Process Engineer TQM Knowledge Statistics DOE Screen Printer Thermal Process Knowledge JIT International Project Engineering Experience
SMT Express, Volume 2, Issue No. 9 - from SMTnet.com Volume 2, Issue No. 9 Thursday, September 14, 2000 Featured Article Return to Front Page Reflow Profiling The Benefits of Implementing a Ramp-to-Spike Profile by David Suraski /AIM
SMTnet Express, November 19, 2017, Subscribers: 30,938, Companies: 10,768, Users: 23,942 To Quantify a Wetting Balance Curve Frank Xu Ph.D., Robert Farrell, Rita Mohanty Ph.D.; Enthone Wetting balance testing has been an industry standard
| https://pcbasupplies.com/upgraded-powerful-wetting-general-purpose-solder-paste-s3x58-m500c-7-600-gm/
Upgraded Powerful Wetting General Purpose Solder Paste S3X58-M500C-7 - 600 gm - PCBASupplies Login Create Account Contact View My Cart Menu
Heller Industries Inc. | https://hellerindustries.com/heller/formic-acid-reflow-process/
. Low O2 ppm levels are essential for a quality formic process. Ensure that O2 levels are <20ppm for all oven zones. The main indicator of a good formic reflow process is whether proper wetting of the solder is occurring
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