Industry Directory | Manufacturer
The exclusive supplier of SIPAD Solid Solder Deposit in North America and the only SIPAD Solid Solder Deposit (SSD) coating service bureau in the world.
New Equipment | Cleaning Equipment
Features: 1. A comprehensive cleaning system: the surface of the product residues of organic matter, inorganic substances for thorough and effective cleaning; 2. Automatic cleaning mode: in a clean room to complete the cleaning, rinsing, drying all
New Equipment | Cleaning Equipment
Features: 1. A comprehensive cleaning system: the surface of the product residues of organic matter, inorganic substances for thorough and effective cleaning; 2. Automatic cleaning mode: in a clean room to complete the cleaning, rinsing, drying all
Electronics Forum | Fri Jul 23 14:41:41 EDT 2004 | Steve Stach
Dear JSK, It sounds like the root causes of your problem are two fold. First, excessive heat will polymerize the abietic acid found in rosin forming neo-abietic diamers and polymers which are much less soluble than the parent monomer. There are
Electronics Forum | Mon Feb 02 18:05:20 EST 2009 | stepheniii
What flux are you using? We use a low-solids No-Clean water-based flux. Maybe some of what you are seeing is not residue from the flux but is from reaction with the solder mask.
Used SMT Equipment | Pick and Place/Feeders
DEK 03IX automatic solder paste printing machine features advanced up/down k-view vision system, independent control and adjustment of lighting, high-speed moving lens, accurate alignment of PCB PCB and net board. The DEK Horizon 03IX automatic solde
Used SMT Equipment | Board Cleaners
Automatic Wash + Rinse + Cleanliness Test + Dry + SPC Lead Free Ready The SMT Series Cleaning Systems include the industry's most powerful batch-format drying system. The SMT series cleaners utilize a combination of convection and radiant heat t
Industry News | 2003-06-05 08:11:23.0
Kerry co-solvent system pays for itself in 13 months
Industry News | 2011-11-03 21:52:00.0
By davef: I was fortunate to be able to attend the SMTAI Exhibition Oct. 18-19, 2011. While I was walking around looking at the booths and talking to the exhibitors, I got this idea that I would report back on things that I found interesting. You know spread the news, since not everyone was there.
Parts & Supplies | Pick and Place/Feeders
SMT basic process components include: silk screen (or dispensing), placement (curing), reflow soldering, cleaning, testing, repair 1, silk screen: its role is to paste or patch solder paste printed on the PCB pad, the components f
Parts & Supplies | Pick and Place/Feeders
The definition of SMT SMT is the surface assembly technology,surface mount technology(surface mount technology)(Surface Mounted Technology abbreviation),is currently the most popular electronic assembly industry,a technology and technology. What a
Technical Library | 2020-03-09 10:50:17.0
A customer called the Helpline seeking advice for cleaning no-clean fluxes prior to applying a conformal coating. The customer's assemblies were manufactured with a no-clean rosin based solder paste (ROL0) and were cleaned with an isopropyl alcohol (IPA) wash. After cleaning, a white residue was sometimes found in areas with high paste concentrations and was interfering with the adhesion of the conformal coating (Figure 1). For conformal coatings to adhere properly, the printed circuit board (PCB) surface must be clean of fluxes and other residues. In addition, ionic contamination left by flux residues can lead to corrosion and dendrite growth, two common causes of electronic opens and shorts. Other residues can lead to unwanted impedance and physical interference with moving parts.
Technical Library | 2019-05-23 10:42:00.0
Why identify flux residues? The primary purpose of flux is to reduce species of metal oxides from solderable surfaces, and to act as a mechanism for lifting and removing debris. If the assembly is not properly cleaned after manufacturing, flux may continue to reduce metals and may eventually corrode the assembly. When the assembly is powered, the metal ions may precipitate along electromagnetic field lines and form dendritic shorts. In addition, the presence of residue can alter the insulation properties of a board, affect the adhesion of the conformal coating, or interfere with the moving parts of the assembly. In radio frequency (RF) applications, flux may change the RF properties on the surface of the printed circuit board (PCB) such as the dielectric strength, surface resistance, and Q-resonance.
Flux spray coating on a PCB with uniformal thickness down to 5 microns, with clear edge definition and minimal overspray. Can coat large or shoot dots with the same jet.
Training Courses | ONLINE | | PCB Assembly Courses
The PCB assembly courses provide knowledge of different processes and equipment used in TH and SMT assembly of printed circuit boards.
Events Calendar | Mon May 10 00:00:00 EDT 2021 - Mon May 10 00:00:00 EDT 2021 | ,
Europe Chapter Webinar: Manual Cleaning of Printed Board Assemblies – Step by Step Guide
Events Calendar | Wed Apr 21 00:00:00 EDT 2021 - Wed Apr 21 00:00:00 EDT 2021 | ,
Oregon Chapter Tutorial: How Clean is Clean and How Do You Know for Sure?
SMTnet Express, November 21, 2018, Subscribers: 31,479, Companies: 11,087, Users: 25,424 Understanding the Effect of Different Heating Cycles on Post-Soldering Flux Residues and the Impact on Electrical Performance Brook Sandy-Smith, Indium
| http://www.szhonreal.com/productview.asp?id=20
Machine Automatic SMT PCB Inspection NEWS Company News Industry News VIDEO SERVICES After-sales Service FAQ Downoad CONTACT PCB handling equipment PCBA Cleaning Machine Features: 1
| https://www.eptac.com/soldertips/soldertip-44-ipc-guidelines-for-flux-selection-and-use/
. Secondly, you need to decide whether or not the residues from the used flux can be left on the board after the soldering operation. J-STD-004, can be used to evaluate the fluxes, as it discusses corrosion properties and appropriate tests to determine the activity levels of the flux
.gif)
