
Face orientation and shared datums
Review Face A and Face B naming, viewing direction, mirror rules, common origins, outline references, aperture datums, and inspection access before release.

Double-Sided Ceramic Circuit Engineering
Custom double-sided thick film ceramic circuits place drawing-controlled printed features on both faces of one ceramic substrate. Send Face A and Face B artwork, common datums, aperture definitions, material requirements, electrical targets, assembly details, quantity, and test plan so engineering can review registration, processing, and inspection.
Twelve practical selection values cover the ceramic substrate, printed conductor and resistor systems, firing condition, geometry, finish, and dielectric strength.
Final values confirmed against customer drawing.
| Substrate Material | 96% / 99% / 99.6% Alumina / AlN |
|---|---|
| Board Thickness | 0.25–3.0 mm |
| Conductor System | Ag / Ag-Pd / Pt-Ag / Au |
| Resistor System | RuO₂ thick film |
| Conductor Thickness | 10–25 µm typical |
| Resistance Tolerance | ±1% standard (±0.5% available) |
| Firing Temperature | Up to 850°C |
|---|---|
| Thermal Conductivity | ≥24 W/m·K, 96% alumina reference |
| Minimum Line/Space | ≥100 µm |
| Board Size | Max. 120 × 120 mm; larger on request |
| Surface Finish | Bare Ag / ENIG / ENEPIG |
| Dielectric Strength | ≥15 kV/mm |
Four controls connect the two artwork faces to one manufacturable ceramic circuit. Visible product geometry supports an initial review; final materials, construction, numerical limits, electrical performance, and records remain project-controlled.

Review Face A and Face B naming, viewing direction, mirror rules, common origins, outline references, aperture datums, and inspection access before release.

Plan artwork compensation, fixtures, print order, layer openings, drying, firing interactions, and the front-to-back measurement method against one revision.

Define each opening as mechanical, metallized, filled, isolated, or interconnected. Visible rings alone do not prove hole-wall construction or electrical continuity.

Select visual, dimensional, registration, continuity, isolation, electrical, adhesion, traceability, and packing checks from drawing requirements and project risk.
These application directions show where a drawing-controlled double-sided ceramic route may fit after the interfaces, aperture functions, electrical loading, environment, and validation plan are defined.
Application illustrationPrinted functions on two faces can share one ceramic outline, aperture pattern, connector layout, and controlled orientation when the complete interface is drawing-defined.
Review interface inputs
Application illustrationA paired-face layout may support multi-channel sensor connections after the net definition, media exposure, connector duty, isolation, and measurement plan are released.
Review sensor inputs
Application illustrationDense apertures and repeated geometry can be evaluated around fixture datums, probe access, electrical targets, calibration conditions, and agreed acceptance limits.
Review test inputsFour supplied photographs confirm different printed geometry on opposite faces of the same long ceramic form, repeated aperture rows, metal-colored rings, green surface coverage, and end mounting holes. They do not establish ceramic grade, aperture construction, between-face continuity, electrical performance, dimensions, tolerances, inspection results, lot history, or shipment traceability.


Company-level resources support screen printing, controlled firing, route-dependent laser trimming, and final inspection for ceramic thick film projects. The applicable material system, print sequence, alignment method, firing profile, electrical checks, records, and acceptance limits are confirmed against each released drawing and validation plan.
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Short answers for quotation planning; released drawings and validation requirements remain controlling.
A double-sided product has drawing-controlled printed features on both faces of the same ceramic substrate. The released package must identify Face A and Face B, their orientation and mirror rules, common datums, layer sequence, aperture duty, electrical function, assembly interface, and inspection method.
No. The photographs confirm metal-colored rings around many apertures, but surface appearance does not establish hole-wall metallization, paste filling, front-to-back continuity, current capacity, insulation, or reliability. These requirements need controlled drawings, construction records, and an agreed electrical test.
Send the dimensioned outline, separate Face A and Face B artwork, orientation and mirror rules, shared datums, aperture table, substrate requirement, printed layer notes, electrical targets, assembly details, tests, quantity, and required records. PDF, Gerber, DXF, DWG, STEP, Excel, and clear sample photographs can support the review.
Engineering reviews common datums, face orientation, mirror rules, aperture references, fixture strategy, print sequence, artwork compensation, and measurement access. A numerical registration tolerance and inspection method are confirmed only from the controlled drawing, material system, geometry, and process review.
Send enough information to connect both printed faces, shared datums, apertures, ceramic material, electrical function, assembly interface, operating conditions, and acceptance method. Clear sample photographs can start an engineering review when final drawings are not ready.
PDF, DWG, DXF, STEP, Gerber, ZIP, Excel, Word, or sample photos are accepted.
