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Category Item Symbol Standard Design Value (mm) Tolerance (mm) Special Design Value (mm) Tolerance (mm)
StructureLengthX5-75±1%2-100±0.5%
WidthY5-75±1%2-100±0.5%
Ceramic Body ThicknessZ0.8-5.5±3%0.2-0.8±0.03
Single Layer Thickness (1)A0.1/0.15/0.2/0.25/0.3±0.02As defined by customer±0.01
Distance from Cavity to Ceramic EdgeB≥3×ФC———
Interconnect ViasDiameter of Metallized Solid ViaФC≥0.15±0.015≥0.1±0.01
Center-to-Center Distance Between ViasD≥3×ФC—≥2×ФC—
Distance from Via to Ceramic EdgeE≥3×ФC———
Via Pad DiameterФF≥ФC+0.05—≥ФC+0.02—
Diameter of Metallized Half-Hole (Castellated Hole)ФG0.4-0.6—0.3-4.0—
Center-to-Center Distance of Half-HolesI≥3×ФG———
Misalignment Distance Between Upper and Lower ViasJ—±0.02—±0.015
MetallizationMetallization Line WidthK≥0.1±0.02≥0.05±0.015
Metallization Line SpacingL≥0.1±0.02≥0.05±0.015
Distance from Metallization Line to Outer Ceramic EdgeM≥0.2—0—
Distance from Metallization Line to Inner Ceramic EdgeO≥0.2—0—
Distance from Internal Ground Plane to Cavity EdgeP≥0.1—0—
Distance from External Ground Plane to Outer Ceramic EdgeR≥0.1—0—
Metallized Grid Line WidthS0.2—0—
Grid Line SpacingT0.4—0—
Distance from Via to GridU≥0.25—≥0.2—
Ground Via Pad / Interconnect Via Pad (See above)
Note: (1) Custom single-layer thickness requires an additional 21 days for processing, specifically for green tape fabrication and aging.
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