# TPCB\_LayersOfCopper type

铜箔所属层

## Signature

```typescript
type TPCB_LayersOfCopper = TPCB_LayersOfInner | EPCB_LayerId.TOP | EPCB_LayerId.BOTTOM;
```
## References


[TPCB\_LayersOfInner](./TPCB_LayersOfInner.md)<!-- -->, [EPCB\_LayerId.TOP](../enums/EPCB_LayerId.md)<!-- -->, [EPCB\_LayerId.BOTTOM](../enums/EPCB_LayerId.md)

## Remarks

此处为方便单层铜箔层设计，不包含 [EPCB\_LayerId.MULTI](../enums/EPCB_LayerId.md)