1603 Watson Court
Milpitas, CA 95035
Tel: (408) 635-3540
Fax: (408) 956-8278
sales@fit4flex.com
FIT FAQs
| Frequently Asked Questions |
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| 1. What type of formats can you accept? |
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Gerber (RS274-D) with Aperture file |
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Gerber extended ( RS274-X). This is preferred. |
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AutoCAD DWG (1:1 scale) |
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HPGL (for fab drawings only) |
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| 2. What information do you need to Quote flex circuit fabrication? |
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Part Dimension (X and Y) |
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Materials, construction and type of flex circuit (Rigid-flex, Multilayer, etc.) |
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Any special process requirements such as microvias, laser skiving, traces below 75 micron, tight tolerance (less than +/- 0.002"), copper alloys, etc. |
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Any control impedance requirements |
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Minimum hole size and pad size |
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Minimum trace and space |
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Gerbers and fab prints are preferred to perform a thorough design review prior to quoting, as well as figuring out the best way to fit the part on a panel. |
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| 3. What do you need for manufacturing my flex circuits? |
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NC Drill file (preferably in Excellon format) |
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Fab Drawing (which includes board dimensions, material call out / construction, notes for specification and hole schedule) |
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| 4. What do you need for assembly of flex circuits? |
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Assembly Data sheet for components such as BGAs |
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Complete Kit for consigned orders |
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| 5. Can you calculate and build Impedance Controlled flex circuits? |
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We can model impedance values for microstrip, coated microstrip, stripline, asymmetric stripline and differential pair. We can build a test coupon for TDR testing upon customer's request. We will build boards to your specifications for impedance control and double check your build with our software. |
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| 6. What do you need to layout Flex Circuit Design? |
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Mechanical Drawing or Board Outline |
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BOM and applicable parts list (including data sheets if available) |
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Special requirements such Controlled Impedance, Shielding, Flexing cycles, Environmental requirements, etc. |
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Pad pattern for any wire bond area |
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Parts placement specification |
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