New Equipment | Solder Paste Stencils
Simplify and Speed Up QFN and LGA device rework. StencilMate™ leadless device rework stencils make the process of reworking leadless devices such as QFNs and LGAs simple and fast. These adhesive-backed poyimide stencils are placed on to the bottom o
New Equipment | Rework & Repair Equipment
The BEST EZReball™ process is the answer to your reballing problems. This BGA reballing process simplifies the process while eliminating the clean up of all those paper remnants, allowing for better yields and faster reballing times. The simplicity o
Electronics Forum | Wed Nov 20 01:38:53 EST 2019 | ajspec
Hi, i'm facing solder mask peel off but limited to the solder defined pad only(opening area). no peel off on the other area and it happened on electroless nickel immersion gold finishing only. for other finishing is not affected. kindly advise if you
Electronics Forum | Wed Dec 11 11:26:25 EST 2019 | SMTA-Norah
Yes, a polite complaint to our board shop later and the next batch didn't have that problem at least. I'm not convinced it's an ENIG issue as there was variability panel to panel in the first place.
Industry News | 2022-10-12 11:23:36.0
In the SMT industry, there are many types of cleaning machines. According to the cleaning things, there are stencil cleaner, PCBA cleaner, Wave Oven Pallet/Fixture cleaner, Mis-Print PCB cleaner, Squeegee cleaner, Nozzle cleaner, PCB surface cleaner and so on.
Industry News | 2021-01-30 07:05:46.0
Most wave soldering systems installed in electronic productions are equipped with one or two solder nozzles that generate a turbulent wave. This configuration is ideal for most products; however, this concept reaches its limitations if, for example, PCBs in masks are to be processed. The reliable wetting of all solder jointsis not guaranteed, depending on the thickness of the mask and the size of the cutouts. Additionally, it might be challenging to achieve a reproducible process if the distances between covered SMD components and the THT pins to be soldered are too small. Sophisticated assemblies that are processed in soldering masks often show soldering defects such as incomplete solder joints or solder bridges.
Technical Library | 2015-12-31 15:19:28.0
Today's consumer electronic product are characterized by miniatuization, portability and light weight with high performance, especially for 3G mobile products. In the future more fine pitch CSPs (0.4mm) component will be required. However, the product reliability has been a big challenge with the fine pitch CSP. Firstly, the fine pitch CSPs are with smaller solder balls of 0.25mm diameter or even smaller. The small solder ball and pad size do weaken the solder connection and the adhesion of the pad and substrate, thus the pad will peel off easily from the PCB substrate. In addition, miniature solder joint reduce the strength during mechanical vibration, thermal shock, fatigue failure, etc. Secondly, applying sufficient solder paste evenly on the small pad of the CSP is difficult because stencil opening is only 0.25mm or less. This issue can be solved using the high end type of stencil such as Electroforming which will increase the cost.
EZReball demonstration video. Simple and Fast new reball method! The new BEST EZReball™ process is an answer to your reballing problems. This unique method simplifies the reballing process allowing for better yields and faster reballing times. http:
SMTnet Express, December 31, 2015, Subscribers: 23,946, Members: Companies: 14,865, Users: 39,660 Study on Solder Joint Reliability of Fine Pitch CSP Yong Hill Liang, Hank Mao, YongGang Yan, Jindong (King) Lee; AEG, Flex (Flextronics International
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