What materials should be given to SMT small batch SMD processing factory by OEM? In SMT processing, especially OEM, if there is insufficient processing materials provided by customers to electronic processing factory, it will waste processing time, thus affecting the delivery time.
What information do you need to provide to SMT small batch SMD processing factory before SMT OEM processing?
I. GEBER data file GEBER file is a file derived from PCB file. Generally, GEBER file contains Pad layer, solder resist layer, silk screen layer and steel mesh layer. These layers are bound to be used if the SMD processing factory needs to open steel mesh and make the SMD program. However, if the products of the customer company are still in the R&D stage, you can choose to process Gerber data files and then leave only the files needed by the SMT foundry. Signing a confidentiality agreement is also a very good method.
Second, BOM, that is, bill of materials, contains the materials needed in actual SMT processing, and it is a document corresponding to the actual materials.
Third, the coordinate file The coordinate file describes the device location information, which needs the extension of. txt or Excel format; The unit is metric system, and mm (millimeter) is used by default. The coordinate file needs to provide the origin of PCB processed by SMT, which is generally placed in the lower left corner of the design.
IV. Placement Bitmap Placement Bitmap is essentially the pad and silk screen layer of PCB documents. In SMT chip processing, the role of placement bitmap is to check the specific position of material chip.
5. The guidance documents for SMT chip processing generally exist as additional items, which are some special requirements of product R&D companies for this product in SMT chip processing, such as some processing methods and other matters needing attention.
VI. Guidance of some professional parameters and technical requirements in the testing of test guidance documents.
VII. Test Precautions The functions that need to be paid attention to during the test of SMT OEM materials. If they are not available, they can not be provided. This is also an additional item.
