The spectral sensitivity of PSR-4000BN Series is in the area of 365 nm. Exposure times will vary by bulb type and age of the bulb. Below are guidelines for exposing PSR-4000BN Series.
Exposure Unit: 5 kW or higher Stouffer Step 21: Clear 8 minimum (on metal / under phototool) Energy: 250 mJ / cm2 minimum (under phototool)
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Full PDF Text Transcription for PSR-4000BN (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
PSR-4000BN. For precise diagrams, and layout, please refer to the original PDF.
www.DataSheet4U.com TAIYO PSR-4000BN Series LIQUID PHOTOIMAGEABLE SOLDER MASK Screen or Spray Application Available in Green or Dark Green Semi-Gloss Finish RoHS Complian...
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ation Available in Green or Dark Green Semi-Gloss Finish RoHS Compliant High Viscosity version for improved edge coverage on High Traces Compatible with Lead-Free Processing Best In Class for Small Hole Clearing Wide Processing Window Fine Dam Resolution Withstands ENIG & Immersion Tin Revised March 2005 Page 2 of 6 www.DataSheet4U.com PROCESSING PARAMETERS FOR PSR-4000BN SERIES PSR-4000BN Series includes PSR-4000BN, PSR-4000BN (HV), and PSR-4000BN (DG). They are two-component, alkaline developable LPI solder mask products for flood screen and spray application methods.