How to Record CMP Diamond Disc Consumption
Accounting for the periodic consumption of diamond-impregnated discs used to condition pads during Chemical Mechanical Planarization (CMP).
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Fab Consumables Expense | Debit | 8,500.00 | - |
| Inventory - CMP Spare Parts | Credit | - | 8,500.00 |
💡 Accountant's Note
As diamond discs are used to refresh the surface of CMP pads, they wear down and are recorded as a manufacturing expense from the spares inventory.
Practitioner & Systems Framework
💻 ERP Architecture
Integrated with Manufacturing Execution Systems (MES) to track disc usage based on wafer throughput.
⚠️ Audit Flags
Significant variance in disc consumption rates per wafer pass.
📄 Required Documentation
Stock withdrawal slips and CMP tool performance logs.
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