WELLER could be your ideal Flex PCB manufacturer for both quick turn prototypes and production quantities in projects demanding multilayers and special material. Just contact us freely.
| Item | Product | Standard Flex Circuits | Standard Rigid-flex Circuits | High Density Interconnect (HDI) Flex Circuits |
|---|---|---|---|---|
| 01 | Standard Panel Size | 250mm x 400 mm | 100mm x 100mm | 250mm x 400mm |
| 02 | Line Width and Spacing | .003″ (0.07mm) | .003″ (0.07mm) | .003″ (0.07mm) |
| 03 | Copper Thickness | >=1/2 oz | 1/4 to 1/2 oz. | >=1/2 oz |
| 04 | Layer Count | 10 | <=4 | <=8 |
| 05 | Minimum Drill (Mechanical) Hole Diameter | .008″ (0.2 mm) | .006″ (0.15 mm) | .008″ (0.2 mm) |
| 06 | Minimum Via (Laser) Size | 5.0mil (0.15 mm) | 1.0mil (0.025mm) | 6.0 mil (0.15 mm) |
| 07 | Minimum Micro Via (Laser) Size | 3.0 mil (0.07 mm) | 1.0 mil (0.025 mm) | 3.0 mil (0.07 mm) |
| 08 | Stiffener Material | Polyimide / FR4 / Metal | Polyimide / FR4 / Metal | Polyimide / FR4 |
| 09 | Shielding Material | Copper / Silver Ink / Tatsuta / Carbon | Copper / Silver Ink / Tatsuta / Carbon | Copper / Silver Ink / Tatsuta / Carbon |
| 10 | Via Tooling Tolerance | 2.0 mil (0.05 mm) | 1.0 mil (0.025 mm) | 2.0 mil (0.05 mm) |
| 11 | Zif Tolerance | 2.0 mil (0.05 mm) | 1.0 mil (0.025 mm) | 2.0 mil (0.05 mm) |
| 12 | Solder Mask Bridge Between Dam | 5.0 mil (0.13 mm) | 4.0 mil (0.11 mm) | 5.0 mil (0.13 mm) |
| 13 | Solder Mask Registration Tolerance | 4.0 mil (0.11 mm) | 4.0 mil (0.11 mm) | 5.0 mil (0.13 mm) |
| 14 | Coverlay Registration | 8.0 mil (0.20 mm) | 5.0 mil (0.13 mm) | 8.0 mil (0.20 mm) |
| 15 | Coverlay PIC Registration | 7.0 mil (0.18 mm) | 4.0 mil (0.11 mm) | 7.0 mil (0.18 mm) |
| 16 | Coverlay Solder Mask Registration | 5.0 mil (0.13 mm) | 4.0 mil (0.11 mm) | 5.0 mil (0.13 mm) |
| 17 | PI Stiffener Registration | 10.0 mil (0.25 mm） | 10.0 mil (0.25 mm） | 10.0 mil (0.25 mm） |
| 18 | PI Stiffener Thickness Tolerance | 10% | 10% | 10% |
| 19 | FR4 Stiffener Registration | 10.0 mil (0.25 mm） | 10.0 mil (0.25 mm） | 10.0 mil (0.25 mm） |
| 20 | FR4 Thickness Registration | 10% | 10% | 10% |
| 21 | Legend Minimum Height | 35.0 mil (0.89 mm) | 25.0 mil (0.64 mm) | 35.0 mil (0.89 mm) |
| 22 | Legend Minimum Width | 8.0 mil (0.20 mm) | 6.0 mil (0.15 mm) | 8.0 mil (0.20 mm) |
| 23 | Legend Minimum Space | 8.0 mil (0.20 mm) | 6.0 mil (0.15 mm) | 8.0 mil (0.20 mm) |
| 24 | Legend Registration | +/- 5 mil (0.13 mm) | +/- 5 mil (0.13 mm) | +/- 5 mil (0.13 mm) |
| 25 | Legend Impedance | +/- 10% | +/- 10% | +/- 10% |
| 26 | Steel Rule Die Outline Tolerance | 5.0 mil (0.13 mm) | 2.0 mil (0.051 mm) | 5 mil (0.13 mm) |
| 27 | Steel Rule Die Minimum Radius | 5.0 mil (0.13 mm) | 4.0 mil (0.11 mm) | 5.0 mil (0.13 mm) |
| 28 | Steel Rule Die Inside Radius | 20.0 mil (0.51 mm) | 10.0 mil (0.25 mm) | 31.0 mil (0.79 mm) |
| 29 | Steel Rule Die Punch Minimum Hole Size | 40.0 mil (1.02 mm) | 31.5 mil (0.80 mm) | N/A |
| 30 | Steel Rule Die Tolerance of Punch Hole Size | +/- 2 mil (0.051 mm) | +/- 1 mil (0.025 mm) | 31 mil (0.79 mm) |
| 31 | Steel Rule Die Slot Width | 20.0 mil (0.51 mm) | 15.0 mil (0.38 mm) | 31.0 mil (0.79 mm) |
| 32 | Steel Rule Die Tolerance of Hole to Outline | +/- 3 mil (0.07 mm) | +/- 2 mil (0.051 mm) | +/- 4 mil (0.11 mm) |
| 33 | Steel Rule Die Tolerance of Hole Edge to Outline | +/- 4 mil (0.11 mm) | +/- 3 mil (0.07 mm) | +/- 5 mil (0.13 mm) |
| 34 | Steel Rule Die Minimum of Trace to Outline | 8.0 mil (0.20 mm) | 5.0 mil (0.13 mm) | 10.0 mil (0.25 mm) |
Please feel freely to contact us if you have any questions after you have reviewed our Flex, Rigid-flex PCB manufacturing capabilities above. Our experienced team can help you with any Flex PCB assembly, engineering, design, and manufacturing questions. We look forward to be as your one-stop printed circuit board supplier.