| http://etasmt.com/te_news_industry/2021-08-31/23964.chtml
– ramp up too fast Same as soldering ball. Poor wetting – ramp up too slow Solder paste is oxidizing if the pre-heat too long. Pre-heat and soak zone (from 150°C to 180°C
| http://etasmt.com/cc?ID=te_news_bulletin,21161&url=_print
. If it is too fast, thermal shock will occur, and both the circuit board and components may be damaged; if it is too slow, the solvent will evaporate
| http://etasmt.com:9060/te_news_bulletin/2020-12-11/21161.chtml
. If it is too fast, thermal shock will occur, and both the circuit board and components may be damaged; if it is too slow, the solvent will evaporate
| http://etasmt.com/te_news_bulletin/2020-12-11/21161.chtml
. If it is too fast, thermal shock will occur, and both the circuit board and components may be damaged; if it is too slow, the solvent will evaporate
| http://etasmt.com/cc?ID=te_news_bulletin,23576&url=_print
Reflow-related causes: • Preheat portion of profile and rate of heating too aggressive (should not exceed 4K/sec. per 20 sec. interval. Dull solder joints Dull
| https://www.smtfactory.com/Introduction-to-the-working-principle-of-Lyra-Reflow-Oven-id45852477.html
. If it is too fast, thermal shock will occur, and the circuit board and components may be damaged. If it is too slow, the solvent will not evaporate sufficiently
| https://www.smtfactory.com/Working-principle-of-I-C-T-Lyra-Series-Reflow-Oven-id48502887.html
. If it is too fast, thermal shock will occur, and the circuit board and components may be damaged. If it is too slow, the solvent will not evaporate sufficiently
| http://etasmt.com:9060/te_news_bulletin/2021-08-31/23576.chtml
Reflow-related causes: • Preheat portion of profile and rate of heating too aggressive (should not exceed 4K/sec. per 20 sec. interval. Dull solder joints Dull
| http://etasmt.com/te_news_bulletin/2021-08-31/23576.chtml
Reflow-related causes: • Preheat portion of profile and rate of heating too aggressive (should not exceed 4K/sec. per 20 sec. interval. Dull solder joints Dull
| https://www.eptac.com/category/upcoming-webinars/shown.bs.collapse/page/9/__/ais-highlight__/129.432%25/page/2/gtm.start/__/ais-highlight__/page/2/
too much to buy while meeting energy-efficiency demands. Manufacturers who can stay ahead of these challenges and keep their skills up to date will benefit immensely. To do our part during this challenging time EPTAC has expanded our IPC certification
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