| http://etasmt.com/cc?ID=te_news_bulletin,13161&url=_print
. Reflow soldering oven characteristics Basic requirements for reflow soldering ovne: Proper heat 2. Good wetting; 3. Proper solder joint size and shape; 4
| http://etasmt.com/cc?ID=te_news_bulletin,23570&url=_print
: • Non-coplanar leads on the component • Excessive warpage of the PCB or substrate • Poor wetting • Insufficient amount of solder due to improper printing parameters
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
| http://etasmt.com/te_news_bulletin/2019-12-17/13161.chtml
. The reflow manufacturer ETA will analyze it in detail. Reflow soldering oven characteristics Basic requirements for reflow soldering ovne: Proper heat 2. Good wetting; 3
Heller Industries Inc. | https://hellerindustries.com/causes-defects-reflow-soldering/
Excessive Heating Rate Preheat Temp Low Solder Paste Oxidation Screen/Stencil Clogged Insufficient Solder Paste Oxidized Solder Paste Paste Viscosity Too Low Misaligned Component Excess Solder Deposition
| https://www.eptac.com/blog/5-common-solder-mistakes-and-how-to-resolve-them
: What causes insufficient wetting in soldering? A: Insufficient wetting refers to solder that doesn’t spread evenly across the surface of the joint or
Heller Industries Inc. | https://hellerindustries.com/searchqueries/
? Reflow Soldering Problems Overview Causes & Defects – Reflow Soldering Solder Ball Defects Opensor Insufficient Solder Wicking Defects Tombstoning PCB Soldering PCB Bridging Defects PCB Dewetting PCB Nonwetting Circuit Board Voids PCB Delamination
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-glossary-of-terms
. Activator cleans metal surfaces of oxides and contaminants, promoting wetting of Solder Alloy. Activator is consumed by heat over time
| http://etasmt.com:9060/te_news_bulletin/2021-08-31/23570.chtml
:3 Process and design-related causes: • Non-coplanar leads on the component • Excessive warpage of the PCB or substrate • Poor wetting • Insufficient amount of solder due to improper printing parameters
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resources/solder-dictionary-of-terms
A Activator The chemically reactive portion of a Flux. Activator cleans metal surfaces of oxides and contaminants, promoting wetting of Solder Alloy
