How to Record WLP RDL Plating Chemical Usage
Recording the consumption of electroplating chemicals used in creating Redistribution Layers (RDL) during the wafer-level packaging process.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Work-in-Process Inventory - Chemicals | Debit | 12,400.00 | - |
| Raw Materials Inventory - Plating Solutions | Credit | - | 12,400.00 |
💡 Accountant's Note
Plating solutions (Copper, Tin, or Silver) used in WLP are moved from raw materials to WIP as they are consumed in the electroplating baths.
Practitioner & Systems Framework
💻 ERP Architecture
Use an automated inventory relief system triggered by the plating tool's batch completion signals.
⚠️ Audit Flags
Significant variances between theoretical consumption based on wafer count and actual liquid level monitoring.
📄 Required Documentation
Chemical bath analysis logs and manufacturing execution system (MES) wafer throughput reports.
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