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Capability Sheet · August 2026

Capabilities

ProvenMetal delivers turnkey printed circuit board assembly through a qualified partner network. Assembly for this program is performed at Network PCB's San Jose facility. Fabrication is routed through Network PCB's supplier network, which includes both domestic and overseas sources. All quoting, program management, and orders run through ProvenMetal.

Facility

1371 Oakland Rd, San Jose, CA 95112

In business

25+ yrs

Quote turn

1 hour

Assembly turn

Same day

Assembly: in-house, San Jose

Quick turn PCB assemblyFull turnkey servicesBGA rework

Process envelope

Assembly typesSMT and through-hole
Smallest component placed0201 / 01005
Package supportBGA, µBGA, flip chip
Minimum pitch0.3 mm, 0.4 mm
Substrate typesRigid, flex, and rigid-flex assemblies
Volume rangePrototype and production quantities
TurnaroundSame day delivery available
Cleaning processWater soluble
InspectionAOI and X-ray

Equipment

Solder paste printingEKRA, DEK
Solder paste inspectionMycronic SPI
PlacementMycronic surface mount pick and place; iineo Europlacer dual turret, max 30,000 cph
ReflowBTU Pyramax, 12 zone; Heller 1809W, 9 zone; Vitronics Soltec XPM2
Wave solderingNU/ERA, leaded and lead-free
Selective solderingErsa Smartflow, leaded and lead-free
AOIMirtec MV-6 and MV-7, 5 high-resolution cameras
X-rayDage XD7600NT
BGA reworkAir-Vac DRS 24C; Chip-off WDS-650
CleaningTyphoon T-12 wash system

Leaded process capability is maintained alongside lead-free, supporting high-reliability builds where tin whisker risk rules out a RoHS process.

Fabrication: partner network

Made in the USA

Under 24 hour turnaround available. Load board, probe card, and test board expertise.

Overseas partners

Prototype to high volume. ISO, UL, and IPC standards certified. India, Vietnam.

The fabrication route for each order is determined and documented at order time.

Fabrication envelope

SpecificationStandardAdvanced
Maximum layer count1632
Board thickness0.015 to 0.200 in0.010 to 0.250 in
Trace / space, outer 1 oz6/6 mil4/4 mil
Trace / space, inner 0.5 oz5/5 mil3/3 mil
Minimum mechanical drill0.006 in0.004 in
Minimum laser drill0.004 in0.003 in

Board construction

SpecificationStandardAdvanced
Minimum layer count11
Outer layer finished copper1 oz to 2 oz1 oz to 4 oz
Inner layer finished copper0.5 oz to 2 oz0.3 oz to 3 oz
Annular ring0.005 in0.003 in mechanical, 0.001 in laser
Aspect ratio, through-hole10:115:1
Plated hole to copper0.008 in0.005 in
Copper to board edge, outer0.010 in0.005 in
Copper to board edge, inner0.015 in0.005 in
Plated and non-plated slotsRoutedRouted or nibbled
Minimum panel size9 in × 12 in8 in × 8 in
Maximum panel size18 in × 24 in24 in × 36 in

Trace and space by copper weight (mil, trace/space)

Layer and copper weightStandardAdvanced
Outer, 1 oz6/64/4
Outer, 2 oz10/108/8
Outer, 3 oz15/1512/12
Outer, 4 oz20/2020/20
Inner, 0.5 oz5/53/3
Inner, 1 oz6/65/5
Inner, 2 oz10/108/8

3 mil geometry is available on inner layers at 0.5 oz under the advanced process. Best outer layer geometry is 4 mil at 1 oz.

Board thickness by layer count

Layer countStandardAdvanced
1 layer0.015 to 0.200 in0.010 to 0.250 in
2 layer0.015 to 0.200 in0.010 to 0.250 in
4 layer0.020 to 0.200 in0.016 to 0.250 in
6 layer0.031 to 0.200 in0.025 to 0.250 in
8 layer0.047 to 0.200 in0.031 to 0.250 in
10 layer0.062 to 0.200 in0.040 to 0.250 in
12 layer0.062 to 0.200 in0.050 to 0.250 in
14 layer0.075 to 0.200 in0.062 to 0.250 in

Drilling

SpecificationStandardAdvanced
Min drill, final thickness up to 0.031 in0.006 in0.004 in
Min drill, 0.031 to 0.062 in0.008 in0.005 in
Min drill, 0.062 to 0.093 in0.010 in0.006 in
Min drill, 0.093 to 0.125 in0.015 in0.008 in
Min laser, dielectric up to 0.004 in0.004 in0.003 in
Largest hole0.247 in plated, 0.250 in non-platedDesign specific
NibblingNoYes
Plating in holes0.0008 in0.0015 in
Back drill for stub removalAvailableAvailable

Via technology

CapabilityStandardAdvanced
Blind viasNoYes
Buried viasNoYes
Stacked viasNoYes
Controlled depth blind viasNoYes, max 0.75:1 aspect ratio
Pre-drilled core blind viasNoYes
Sublamination blind viasNoYes
Build-up technologyNoUp to 4-N-4, any layer
Filled viasNon-conductiveNon-conductive, conductive, or partial
Tented viasYesYes
Soldermask plugged viasYesYes

Controlled impedance

Layers supportedUp to 32
Single-ended tolerance±10% std / ±5% adv
Differential pair tolerance±10% std / ±5% adv
TDR testingYes

Silkscreen

Colors7 standard / custom adv
Minimum legend width0.004 in
Silkscreen to pad spacing0.005 in std / 0.004 in adv

Soldermask

SpecificationStandardAdvanced
ColorsGreen, black, blue, red, white, clear, yellowCustom
FinishSemi-gloss, matteSemi-gloss, matte
Thickness over copper0.0007 in0.0010 to 0.0012 in, double coat
Web / dam0.005 in0.003 in
Gap to pad0.004 in0.002 in
Copper ring under mask-defined pad0.003 in0.001 in
LPIYesYes
Dry filmNoYes

Surface finishes

HASL, leaded and lead-free
Electrolytic hard and soft gold
ENIG
Hard gold body and flash gold
ENEPIG / EPIG (advanced)
Selective plating, hard and soft bondable gold
Immersion silver
Tin nickel (advanced)
Hard gold fingers with ENIG or HASL
White tin
OSP
Bare copper / carbon ink (advanced)

Laminate and material systems

Material classSuppliersDesignations
FR-4 and high-Tg FR-4Isola, VentecIT180, 185HR, 370HR, VT42, VT47
Specialty FR-4IsolaIS410, FR408HR
RF and high frequencyRogersRO4003, RO4350, RO4360, RO4835
PTFE and ceramic-filledRogersRO3003, RO3006, RO3010, RO3210, RO5880, RO6002, RO6006, RO6035
PolyimideIsola, ArlonG200, 85N
Low-loss digitalNelcoN4000, N4350, N5000, 4000-13
Very low lossPanasonicMegtron 6
Black FR-4VentecVT42-B
Flex coreDuPont, ApexylAP series
Flex adhesive and coverlayDuPont, ApexylLF/FR series

Polyimide, Rogers RF and PTFE, and Megtron 6 support airborne and RF defense hardware. Hybrid and mixed-material stackups are supported.

Product types

Rigid multilayerHDIFlex, rigid & rigid-flexRF & microwaveBackplaneBurn-in boardsProbe cardsLoad & test boards

RF and microwave

Frequency range100 MHz to 30 GHz and beyond
Test equipment6 network analyzers, combined sweep 50 MHz to 40 GHz
Antenna measurementCustom anechoic boxes
Etch controlClose tolerances on critical RF features
Stub removalBack drill
StackupsMultilayer, hybrid, mixed-material
RF finishesENIG, ENEPIG, hard and soft wire bondable gold, immersion silver

Design and secondary operations

3.1 / Design capability

  • Single and multilayer boards
  • Digital, analog, and RF circuits
  • High density and fine line SMT, BGA, and through-hole
  • Ultra high speed
  • EMI suppression
  • Design for manufacturing (DFM)
  • Design for test (DFT)
  • Input: netlist, PADS PowerLogic, AutoCAD, hand-drawn schematics

3.2 / Deliverables

  • Layout PCB database
  • Gerber files and aperture list
  • Drill data
  • Fabrication drawings
  • Photoplots on request

3.3 / Secondary operations

  • Conformal coating
  • Staking
  • Encapsulation
  • Flying probe test

Certifications and standards

ISO 9001:2015AS9100ITAR registeredNIST 800-171ISO 13485:2016ISO 27001:2022IPC-A-600IPC J-STD-001UL certifiedRoHS compliant

Certificates, registration numbers, and scopes available on request through ProvenMetal.

Quotes & program inquiries

If it's on this sheet, we can build it.

Quotes back in an hour. Send your files or reach out at johnny@provenmetal.com.