LTCC
LTCC Green Sheets
Confirmed grades for standard, low-loss, high-frequency, low-dielectric and high-strength requirements
LTCC
Material and substrate samples
LTCC
Available LTCC Grades
Representative values transcribed from the supplied LTCC product workbook
Swipe horizontally to view all specifications
| Grade | Feature | XY shrinkage (%) | XY accuracy | Z shrinkage (%) | Density (g/cm³) | Flexural strength (MPa) | Dielectric constant (1 MHz) | tanδ (1 MHz) | Dielectric constant (10 GHz) | tanδ (10 GHz) | CTE (ppm/K) | Thermal conductivity (W/m·K) | Elastic modulus (GPa) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HTK-071 | Standard dielectric | 13.3 | ±0.3% | 28 | 2.85±0.05 | 220 | 7.1±0.2 | <0.003 | 6.8 | 0.006 | 5.7 | 2.8 | 112 |
| HTK-072 | Improved strength | 15.3 | ±0.3% | 26–30 | 2.92±0.05 | ≥250 | 7.3±0.2 | <0.003 | 6.8 | — | 5.9 | 2.5 | — |
| HTK-025 | High dielectric | 12.8 | ±0.3% | 22–26 | 3.6±0.03 | ≥190 | 26±1 | <0.003 | 27 | — | 10.7 | 1.7 | 104 |
| HTK-040 | High dielectric | 15.3 | ±0.3% | 24–30 | 5.70±0.05 | ≥170 | 40±2 | — | 42 | — | — | — | — |
| HTK-4D | Low dielectric constant | 19.5 | ±0.5% | 16.5 | 2.16 | 120 | 4.4±0.2 | <0.001 | 4.2 | 0.0025 | 4.3 | 1.8 | — |
| HTK-4Y | Low dielectric family | 13.7 | ±0.5% | 32 | 2.56 | 130 | 4.0±0.2 | <0.003 | 4 | 0.0025 | 2.9 | — | — |
| HTK-6D | Low loss | 15.3 | ±0.3% | 23 | 2.75 | 165 | 6.2 | <0.001 | 6 | 0.0004 | 6.7 | — | 100 |
| HTK-7KD | High frequency | 21 | ±0.5% | 35 | 3.3 | 290 | 7.2 | <0.001 | 7.4 | 0.002 | 9.5 | 2.3 | — |
| HTK-012 | High CTE | 15.2 | ±0.3% | 35 | 2.85 | 220 | 6.3 | <0.005 | 6.6 | 0.004 | 12.6 | — | — |
| HTK-014 | High CTE family | 15.4 | ±0.3% | 26 | 2.65 | 140 | 5.9 | <0.003 | 6.6 | 0.005 | 11.2 | — | — |
| HTK-78S | High strength | 13.8 | ±0.3% | 29 | 2.98 | 390 | 7.8 | <0.003 | 7.9 | 0.0052 | 6.2 | 4.6 | 150 |
Confirm the selected grade, test method and current controlled TDS
Confirmed Common Range
Sizes and thickness
- Green-sheet thickness
- 55–200 µm
- Maximum catalog format
- □500 mm
- Availability
- Grade, thickness and project review required
Selection
Large-format, low-loss and shrinkage review
Select the grade by usable sheet area, fired dimensions, frequency, dielectric properties, conductor system and process conditions
- HTK-6D: catalog low-loss grade
- HTK-7KD: catalog high-frequency grade
- XY and Z shrinkage listed by grade
- RF and microwave suitability requires project validation
Technical Data
Request the current TDS and sample
Include required size, thickness, fired dimensions, frequency, dielectric targets, shrinkage tolerance and conductor system