FreeWill Material Technical Ceramics

DPC Product Family

DPC Direct-Plated Copper Ceramic Substrates

FreeWill Material ceramic substrates and power module thermal-management assembly

DPC ceramic substrates carry patterned plated copper on an insulating alumina or aluminum nitride base.

Product Description

DPC ceramic substrates carry patterned plated copper on an insulating alumina or aluminum nitride base. Seed-layer deposition, photolithography and copper plating form conductors and connection pads for compact electronic packages.

Copper thickness, line spacing and plating distribution are linked features of one circuit layout. Double-sided copper and plated through-connections are separate options; a via requires its own defined hole and metallization construction.

Product Advantages

  • Photolithographic patterning forms copper traces and pads around the package layout.
  • Controlled plated copper supports the selected conductor thickness and attachment surface.
  • The ceramic carrier combines electrical isolation, support and a heat path beneath the circuitry.
  • Surface-finish selection links the copper pads to the intended soldering, bonding or attachment process.

Typical Applications

Patterned pads and conductors support compact optical, electronic and sensor packages.

  • LED and Laser Packaging
  • LiDAR Modules
  • Optical Communication
  • RF and Sensor Packages

Technical Data

Construction Parameters

DPC Construction Parameters

Construction itemTypical configurationApplicable condition
Ceramic base96% / 99.6% Al2O3 or AlNSurface preparation dependent
Copper thickness10–130 µmPlated thickness and pattern evaluated together
Line / spaceLayout-dependentCopper thickness, plating distribution and pattern geometry
Holes / viasLaser holes and selected plated featuresAspect ratio and registration dependent
Surface finishNi/Au, Ni/Pd/Au or Ag examplesFinish stack matched to the attachment process

Construction Selection

Ceramic, Copper & Interfaces

ElementFunctionConstruction definition
CeramicElectrical insulation and heat pathMaterial grade, thickness and functional surface
CopperCurrent paths, attachment and heat spreadingTop / bottom thickness, pattern and isolation gaps
Interface and finishCopper attachment and subsequent assemblySeed / plated layers, distribution and attachment finish
Thermal / electrical assessmentPerformance of the complete stackLayer geometry, test method, operating conditions and interfaces

Product configuration

Processing & Configuration

Processing defines the conductor geometry and the surfaces used in assembly.

  • Seed-layer preparation
  • Photolithographic patterning
  • Copper plating
  • Defined hole / via construction
  • Attachment-surface finish
  • Individual units or master cards
  • Custom circuit artwork
  • Single- or double-sided copper
  • Selected asymmetric configurations
  • Bare or plated copper finishes
  • Electrical and bond testing to agreed criteria

Configuration Scope

DPC configurations reviewed by drawing.

Ceramic base, copper system, circuit layout, finish and qualification requirements are reviewed together.

  • Alumina DPC Substrates
  • Aluminum Nitride DPC Substrates
  • Single- and Double-Sided Circuits
  • Fine-Pattern Plated Copper

Quality & Inspection

Inspect both ceramic and metallization.

Inspection and documentation are available on request and defined during quotation.

  • Ceramic and copper thickness
  • Pattern dimensions and isolation gaps
  • Flatness / bending
  • Surface-finish thickness
  • Visual and electrical inspection
  • Bond, peel or braze-integrity tests when specified

Ordering Information

MOQ and typical lead time.

MOQ and lead time depend on ceramic base, copper layout, finish, panel utilization, quantity and qualification requirements.

Recommended MOQ

10 pieces or one master-card equivalent

DPC

5-8 weeks

FAQ

Questions buyers commonly ask.

Practical sourcing questions for material selection, processing and ordering.

Can multiple ceramic bases be used?

Yes. Alumina and AlN are common for DBC/DPC, while Si3N4 is the priority AMB base for high-reliability power modules.

What determines circuit line and isolation-gap dimensions?

Copper thickness, plating distribution, feature registration and the pattern geometry are specified together.

What information is required for quotation?

Provide ceramic and copper thickness, metallization route, circuit file, finish, electrical or reliability criteria, quantity and assembly process.

Packaging & Shipping

Protect patterns, finishes and ceramic edges.

Packaging is selected for master cards, individual units and copper surface condition.

  • Individual separation
  • Anti-scratch surface protection
  • Rigid trays or master-card frames
  • Copper corrosion protection where appropriate
  • Inner box and export carton
  • Wooden case when required

What to Specify for RFQ

Provide the complete ceramic and circuit definition.

Metallized substrates require more than an outline drawing.

  • DBC, DPC, AMB or other route
  • Ceramic base and grade
  • Ceramic thickness
  • Copper / metal thickness
  • Circuit drawing / Gerber / DXF
  • Minimum line and isolation gap
  • Surface finish
  • Flatness / warpage
  • Electrical / bond tests
  • Quantity and delivery target

Engineering RFQ

Tell us what the substrate must do.

Provide the drawing, dimensions, quantity and application requirements so the team can review material and processing options before quotation.

Engineering RFQ

Tell us what the component must do.

Start with your name, work email and a short description. Phone numbers, drawings and technical details are optional.

Add company, drawings or technical details (optional)

Send your initial enquiry now, or add the information you already have.

Drawings (optional)

PDF, JPG/JPEG or PNG. Up to 3 files, 3 MB total. For larger files or CAD files, send your enquiry first and attach them in your email reply.

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Your request will be reviewed by our team before a technical or commercial response is issued.