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. If you’re working with vapor phase or batch ovens, this standard technically doesn't apply to you. Latest Revision : The most current version is , released in August 2022. ipc7801 pdf
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| Feature | IPC-7801 | IPC-A-610 | | :--- | :--- | :--- | | | Post-print, pre-placement (Solder Paste) | Post-reflow, final assembly | | Inspection Method | 2D/3D SPI (Laser or Moiré) | Visual inspection or AOI | | Defect Focus | Volume, height, area, bridging | Solder balls, wicking, tombstoning, non-wetting | | Purpose | Process control & immediate rework | Product acceptance | Latest Revision : The most current version is
It provides requirements for periodic verification to ensure your oven performs consistently shift after shift. Standardization:
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When you open an , you will immediately notice three primary metrics that define a "good" solder paste deposit: