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Visit our brand new DC Axial Fans, DC Blower Fans, and Heat Sinks Website regarding about the latest cooling technologies.
Cofan USA @
Silicon Valley
46177 Warm Springs Blvd.
Fremont, CA 94539
Phone: 1-800-766-6097
Fax: 1-510-490-7931
E-mail: info@cofan-usa.com
Cofan Canada
Cofan Taiwan
Phone: 886-2-7716-0080 ext.68
Email to Cofan Taiwan Office
# | Item Name | Description | OK | N/A | |
| 1. | Customer's specifications | Must be provided if customer has specific requirements. | |||
| 2. | Gerber files | With compressed format : ZIP, RAR, JZIP, ARJ. | |||
| 2a. | Aperture list | Must be provided unless using RX-274X format. | |||
| 2b. | Drawing(s) | Must be provided by the customer or have our team work on it. | |||
| 2c. | Drilling program | Gerber format, text, or hole chart. | |||
| 2d. | Inner layer pattern | At least 2 files for 4L, 4 files for 6L, 6 files for 8L, etc. | |||
| 2e. | Outer layer pattern | At least 2 files. | |||
| 2f. | Solder mask pattern | At least 2 files. | |||
| 2g. | Legend | 1 or 2 files. | |||
| 2h. | ET program | May have ET program with format IPC-356 if customer has it. | |||
| 2i. | Other(s) | Get the available read-me file if customer has it. | |||
| 3. | Drawing | Dimension, tolerance, hole chart, construction, material, etc. | |||
| 4. | Drilling data | Drilling program. | |||
| PTH/NPTH definition. | |||||
| Hole quantity. | |||||
| 5. | Solder mask | Color. | |||
| 6. | Legend | Colors. | |||
| 7. | Surface treatment | OSP, HAL, Pb-free HAL, ENIG, Ni/Pd/Au, immersion Tin, etc. | |||
| 8. | V-scoring | Web thickness and scoring angle. | |||