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Manufacturing Specifications

Drilling:

Smallest finished hole size:  .008

Diameter finished hole tolerances: +/-.003

Largest drill size:  .250 Drilled slots: .030 min.

Image:

Minimum conductor width:  .005

Inner plane clearances min.: .020

Minimum spacing:  .005 (hole wall to plane edge .010)

Conductor to hole edge:  .006

Minimum pad size: .026

Conductor to board edge:  .003

Minimum annular ring: .006

Standard finish:  Hot Air Solder Level *Optional finish: Electroless Nickel Gold

SolderMask:

Solder mask type:  Electra LPI

Solder mask spread (preferred):     .012 total   -  .008 total min.

 

LPI color:

             Machine Application:   Light Green        

             Surface mount dams:   .004 (.002 min. green mask only)

             Hand Screen :   blue, red, clear & black

Silkscreen/Nomenclature

Available colors:  white, yellow & black

Character width min.:  .007

Distance to pad min.:  .006

Carbon Ink Specs.:

Ohmic Value:  20 ohms

Minimum spread value:  .005 each side .010 total

Multilayers:

Number of layers:  12

O/L copper thickness: Finished 1-3 oz.

Core thickness:  .005-.059

I/L copper thickness: 1-2 oz.

½ oz. outer required for below 8 & 8

Fabrication:

Minimum board size: .5" X .5"

Radius min. (preferred): .047

Maximum panel size:  18" X 24"

Bevel angles in degrees: 30 & 45

Key slot min. width:  . 031

Tolerances overall preferred: +/- .010

Array’s:  routed or scored; jump scoring available

Tolerances overall min.: +/- .005

Minimum scoring web thickness:  .010 Default Tolerances (when not specified by customer)

Defaults:  .XX  =  +/- .010,  .XXX  =  +/- .005

Electrical Test:

Surface mount pitch min.:  .025  (hard fixture for production)

Surface mount pitch min.:  .015  (flying probe for prototypes)

 

Hard Fixture Electrical Testing Specs.:

Max. grid size:  12.7" X 18.3"

Minimum SMD spacing: .025

Voltage:  10 VDC Constant Test Type = Continuity, Leakage

Resistance:  1k ohm, 200k ohm, 2 meg ohm programmable

Flying Probe Electrical Testing Specs.:

Maximum Test Area:  24.4" W X 20.0" H Threshold

Continuity:  2 to 20 Ohms

Threshold Isolation:  7 to 40 Ohms

Test Voltage: 36V

Test Current:  200 ma

Short & Open: Resistance

Minimum Pad Size:  . 0039

* Note: For tighter pitch production, testing out of house is available.   Electrical test fixtures and programs are generated from Gerber data Netlist output design rule and checked for errors.

 

* We prefer that Gerber data is in RS-274X written out in 2.4 format.

 

* Delivery: 3 weeks, 2 weeks, 1 week,  3 days, 48 hours (4&6 Layer, Double Sided) and 24 hour on Double Sided

 

* Type of work: prototype, small to medium sized runs, medium being approx.   600 sq. ft. per delivery.

 

Note: Requests for anything other than that noted on this spec. sheet will require pre-approval by PTI.

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