At Present the company is concentrating to meet Quick turn around/prototype and a Pilot Order requirement of :- Double Sided Pth & Multilayer upto 12 layers Printed Circuit Bare Board Material FR � 4 ( Nema � Grade ) with board thickness as per cus
New Equipment | Solder Paste Stencils
EasyBraid’s stencil rolls are designed for use in SMT screen printing lines which keep stencil apertures clear of paste residues during the automatic screen printing process. They also clean the bottom of stencils, keeping them free from paste and fl
Electronics Forum | Fri Sep 17 03:03:29 EDT 2010 | grahamcooper22
Hi Gani, looking at the HASL icture and the poor wetting of the solder over the pads I would imagine that the HASL coating is very thin on the pads and in actual fact isn't 'solder' but is tin /copper intemetallic and this has poor solderability. It
Electronics Forum | Tue Sep 14 04:00:12 EDT 2010 | genesan
Hi Sir grahamcooper22, There should not a issue in stencil since i had open the aperature 1:1(one to one).Futhemore this is HASL pcb coating as now our customer had convert to immersion silver.I had do comparison between both and found HASL wetting n
.JPG)
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
Industry News | 2013-07-22 09:54:27.0
GPD Global has introduced its new NCM5000 dispense pump for easy jetting. With only two wetted parts and no seals or springs to replace or adjust, field operation is simple.
Industry News | 2013-09-10 12:18:26.0
The Surface Mount Technology Association (SMTA)'s Intermountain Chapter will hold its annual technical symposium on September 19 at the University of Utah in the Warnock Engineering Building, Salt Lake City, Utah.
Technical Library | 2021-07-06 21:13:36.0
The surface finishes commonly used on printed circuit boards (PCBs) have an effect on solder paste performance in the surface mount process. Some surface finishes are non-planar like hot air solder level (HASL) which can lead to inconsistencies in solder paste printing. Other surface finishes are difficult to wet during reflow like organic solderability preservative (OSP). What is the overall effect of surface finish on solder paste performance? Which solder paste is best for each surface finish? It is the goal of this paper to answer these questions.
Technical Library | 2021-10-20 18:21:06.0
The solderability of the SAC305 alloy in contact with printed circuit boards (PCB) having different surface finishes was examined using the wetting balance method. The study was performed at a temperature of 260 _C on three types of PCBs covered with (1) hot air solder leveling (HASL LF), (2) electroless nickel immersion gold (ENIG), and (3) organic surface protectant (OSP), organic finish, all on Cu substrates and two types of fluxes (EF2202 and RF800). The results showed that the PCB substrate surface finish has a strong effect on the value of both the wetting time t0 and the contact angle h. The shortest wetting time was noted for the OSP finish (t0 = 0.6 s with EF2202 flux and t0 = 0.98 s with RF800 flux), while the ENIG finish showed the longest wetting time (t0 = 1.36 s with EF2202 flux and t0 = 1.55 s with RF800 flux). The h values calculated from the wetting balance tests were as follows: the lowest h of 45_ was formed on HASL LF (EF2202 flux), the highest h of 63_ was noted on the OSP finish, while on the ENIG finish, it was 58_ (EF2202 flux). After the solderability tests, the interface characterization of cross-sectional samples was performed by means of scanning electron microscopy coupled with energy dispersive spectroscopy.
DescriptionThe Electrovert® Electra™ is an advanced, meticulously engineered wave soldering system designed for high-mass and high-volume manufacturers. Although intended for maximum throughput requirements, the Electra also offers maximum process fl
A Sustainable Alternative - Humitector cards are halogen-free and cobalt dichloride free. Visit https://www.clariant.com/solutions/products/2017/10/31/00/12/humitector-type-2-nonreversible-humidity-indicator-card?utm_source=CLRYouTube&utm_medium=Vi
Training Courses | | | PCB Assembly Courses
The PCB assembly courses provide knowledge of different processes and equipment used in TH and SMT assembly of printed circuit boards.
Career Center | Javalera, Gen. Trias, Cavite Philippines | Engineering
Numonyx is a semiconductor company making flash memories, which was founded on March 31, 2008 by Intel Corporation, STMicroelectronics and Francisco Partners. The company supplies non-volatile memory for a variety of consumer and industrial devices i
Career Center | Rochester, New York USA | Engineering
I have done my undergraduate studies in Mechanical Engineering. I am pursuing my Master's Program in Electronics Packaging. I am currently working as a Research Assistant for RIT-CEMA (Center for Electronics Manufacturing and Assembly). My research
SMT Express, Issue No. 5 - from SMTnet.com Volume 1, Issue No. 5 Wednesday, October 13, 1999 Featured Article Return to Front Page HASL WHAT A HASSLE, or HASL'd AGAINby Earl Moon INTRODUCTION This article updates one I wrote for Printed
GPD Global | https://www.gpd-global.com/co_website/fluid-dispense-adhesive-application.php
Conductive Adhesive & Non-Conductive Adhesive Dispensing Home Products Fluid Dispensing Equipment High Precision Dispenser -MAX Series Large Format Board Dispensing -DS Series Table Top Dispensing Equipment Loader
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/leadfree.pdf
: T, S, C, A Atmosphere: Nitrogen Temperature:240°C Large Unacceptable Void – Likely Due to Bad Wetting (Lead Free HASL Candidate
winsouce.jpg)