Thick Film Pastes and Precious Metal Powders
Energy/Hydrogen Society
Consumer Electronics
Sensor Materials
Paste
Compound/Nanoparticles
Semiconductor
Powders, Compounds, Nanoparticles, and Pellet
Automotive Applications
Thin Films/Deposition
Electrochemical Electrodes
What are "Thick Film Pastes and Precious Metal Powders"?
This is a group of precious metal thick film pastes and metal powder products developed for electronic components, circuit formation, and sensing device applications. Materials include Au, Ag/Pd, Pt, and RuO₂, and are widely used in heaters, resistors, gas sensor electrodes, and more. With excellent lead-free compatibility and adaptability to a variety of substrates, this material simultaneously supports high performance and low cost products.
We contribute to improving the performance of electronic components and sensor components, and deliver reliable quality.
Precious metal pastes and powders are used in a wide range of applications, including circuit formation, electronic components, and sensing devices. We meet our customers’ requirements—such as better product performance and lower costs—with our high quality and rich lineup developed through many years of technological development.
Thick film paste for Electronic Components and Circuitry
Features
- Lineup of pastes, including lead free paste, in compliance with environmental regulations
- Pastes can be selected according to various applications
- Integrated manufacturing, beginning with powdered materials, has enabled cost reduction
| Conductors | Product Series | Features |
|---|---|---|
| Au | TR-1000 | High reliability Various types for screen printing and etching |
| Ag/Pd | TR-2600 | Excellent soldering properties and adhesion strength on dielectrics |
| TR-4000 | Reference standards. Lineup of various Ag/Pd ratios. | |
| TR-5000 | Electrodes for chip components, resistant to penetration by plating solutions | |
| Ag | TR-6000 | Substrates for LTCC, surface layers, external layers and Via |
| MH | Possible to form a fine, low-resistance film | |
| Ag/Pt | TR-3000 | Low cost, low resistance, and excellent adhesive strength |
| Ag/Pd/Pt | TR-2900 | Excellent corrosion resistance during soldering |
| Pt | TR-7000 | Used where high-temperature durability is required. Substrates for wiring, heaters, and more. |
| Cu | TR-8000 | Excellent migration resistance |
| Resistors | Product Series | Features |
|---|---|---|
| RuO2 | EZ | Good record of performance in fuel senders (contains lead) |
| HC | Lead-free reference standards Resistance value 10Ω – 1MΩ/□ | |
| RJ | Lead-free low resistance products Resistance value 5Ω – 1000Ω/□ | |
| Ag/Pd | TR-9000 | Realizes low resistance and low TCR. *For detailed data, Click here Best for chip resistors and heaters |
| Insulators | Product Series | Features |
|---|---|---|
| Glass | LS | Lineup of glasses for overcoats, undercoats, cross wiring uses; lead-free available |
*We offer a lineup of various pastes that comply with environmental regulations, such as lead-free pastes.
Thick Film Paste for Aluminum Nitride Substrates
Features
- Lineup of Thick Film Pastes for Aluminum Nitride Substrates
- Applied to surge-protection elements, low-resistance parts, heater parts, etc.
| Types | Product Series | Features |
|---|---|---|
| Conductors | TN-491B | Ag/Pd paste. Good compatibility, low resistance |
| TR-302XG | Ag paste. High adhesion, good solder wettability | |
| Resistors | RAN | RuO2-based paste, Resistance value (10Ω~1000Ω/□) |
Ag/Pd pastes
- Realizes low resistance and low TCR on aluminum nitride substrates
| Product name | AX-9125 | AX-9300 | AX-9700 | AX-1300 | AN-9030 | AN-9100 | AN-9300 | AN-9500 |
|---|---|---|---|---|---|---|---|---|
| Area Resistance Value (mΩ/□/10µm) |
125 | 300 | 700 | 1300 | 30 | 100 | 300 | 500 |
| Corresponding Substrate | AIN board | |||||||
| Recommended Calcination
Temperature (℃) |
850 | |||||||
| Thickness of Calcinated Film (µm) | 11±2 | 12.5±2 | 12.0±2 | 10±3 | 12±3 | 12.5±3 | ||
| Hot and Cold TCR (ppm/℃) |
-50~+130 | +400~+700 | ||||||
| Viscosity (Pa･s) | 210±50 | 220±50 | 210±50 | 220±50 | ||||
| Diluents | TMS-2 | |||||||
| Ag/Pd ratio (wt%) | 45/55 | 80/20 | ||||||
| Does not contain lead or substances regulated under RoHS2 Directive of 2019 | ||||||||
*The listed characteristic values are representative values and may differ from standard values.
Pt Paste for Gas Sensors
Features
- TR-708LTB: For lead and heaters. Fine film quality, low resistance
- TR-708DB12: For heaters. Realizes high resistance and fine film quality
- TR-706P4: For reactive electrodes for sensors. Porous film
| Product name | TR-708LTB | TR-708DB12 | TR-706P4 |
|---|---|---|---|
| Precious Metal Ratio | Pt 100 | ||
| Recommended Calcination Temperature (℃) | 1450 | ||
| Conductor Resistance (mΩ/□/10µm) |
16 | 31 | 110 |
| Viscosity (Pa･s) | 250 | 200 | |
| TCR (ppm/K) | 3000 | ‐ | |
| Diluents | TMS-30 | ||
| Does not contain lead or substances regulated under RoHS2 Directive of 2019 | |||
For reactive electrodes for gas sensors
![[Gas sensor reaction electrode paste structure]Comparison with TR-706P4 and conventional types. TR-706P4 has high dispersion and porosity.](https://data.wovn.io/ImageValue/production/688b3c307ffdea2de8055986/en/0bcf6cfd66cf8efd749582e2f8311307/wp_content_uploads_sites_images_ex_en_products_images_a03_img_block03_01.jpg)
Pt Alloy Paste for Gas Sensors
Features
- Alloy powders and pastes developed by original technology
| Product name | TR-746LHC | TR-734NA-P1 | TR-750NA-P1 |
|---|---|---|---|
| Precious Metal Ratio | Pt/Pd 75/25 |
Pt/Rh 40/60 |
Pt/Au 99/1 |
| Recommended Calcination Temperature (℃) | 1450 | ||
| Conductor Resistance (mΩ/□/10µm) |
43 | 90 | 70 |
| Viscosity (Pa･s) | 200 | ||
| TCR (ppm/K) | 950 | – | |
| Diluents | TMS-30 | TMS-8 | |
| Does not contain lead or substances regulated under RoHS2 Directive of 2019 | |||
Resistance Paste for Heaters
Ag/Pd paste TR-9000 series
Features
- Low resistance range characteristics achieved by using Ag/Pd as the conductive component
- Achieves HOT TCR of ±50 ppm/℃ in the range of 100 mΩ/□ to 10 Ω/□
- Resistance is less dependent on TCR calcination temperature
- Good record of performance in surge-protection circuits, current detecting circuits and chip resistors, etc.
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| Sheet resistance value |
100 | 200 | 1000 | 10000 | 10 | 20 | 40 | 70 | 75 |
| Corresponding Substrate | Alumina Substrate | ||||||||
(℃) |
850 | ||||||||
| Thickness of Calcinated
Film (µm) |
11±2 | 8±2 | 11±2 | ||||||
| Hot TCR (ppm/℃) |
-50~+50 | +400~ +800 |
+300~ +700 |
+350~ +450 |
+300~ +450 |
+100~ +200 |
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| Cold TCR (ppm/℃) |
0~+150 | +400~ +550 |
+350~ +500 |
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| Viscosity (Pa･s) | 275±50 | 190±30 | 190±20 | 250±50 | |||||
| Diluents | TMS-2 | ||||||||
| Does not contain lead or substances regulated under RoHS2 Directive of 2019 | |||||||||
Precious Metal MOD Pastes (formerly METALOR product)
Features
- Organic compound-based MOD (Metal Organic Decomposition) pastes
- Smooth and dense film formation is possible
| Conductors | Product name | Features |
|---|---|---|
| MOD-Au | A-4615 | Thickness of Calcinated Film t=0.3µm, RoHS2 compliant |
*Please feel free to contact us about other Precious Metal MOD Pastes.
Precious Metal Powders
| Product name | Pt powder AY-1050 |
Pd powder AY-4054 |
Ag oxide powder AY-6058 |
|---|---|---|---|
| Tap Density (g/ml) |
9.0~11.5 | 4.0~7.0 | – |
| Average particle size (µm) | 0.4~1.2 | 0.3~1.4 | 8~18.0 |
| Specific Surface Area (m²/g) | 0.8~1.2 | 0.4~1.7 | 0.3~0.8 |
Alloy powders
AY-13 series
AY-15 series
AY-14 series
- Please contact us for details such as alloy ratio.
- Other powders are also available. Please also refer to [Product Information > Precious Metal Powders for Paste].
Related Information
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