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FAQ

Electronic Materials and Coating Materials

Silver paste (thermosetting type, die attach)

Is there any problem if I collect and reuse the surplus after use?

Collection and reuse is not recommended. Please do it at your own risk.

Is it possible to adjust it so that it can be reused?

We cannot respond to the request.

Are environmentally hazardous substances (10 substances subject to RoHS 2.0) contained?

Not contained.

Is it a hazardous material?

Not a hazardous material.

Is it possible to ship overseas?

Please contact us.

I would like a sample.

Paid samples (minimum order quantity: 100g～) are available. Please contact us.

I would like to know about the delivery date.

Basically, it takes 2-3 weeks after receiving an order, depending on the quantity. Please contact us for more details.

Is it possible to use at temperatures below 100°C?

It can be used at temperatures below 100°C, but the resistance value will increase.

Silver paste (high temperature firing type)

Is there any problem if I collect and reuse the surplus after use?

Collection and reuse is not recommended. Please do it at your own risk.

Is it possible to adjust it so that it can be reused?

We cannot respond to the request.

Are environmentally hazardous substances (10 substances subject to RoHS 2.0) contained?

Not contained.

Is it a hazardous material?

Not a hazardous material.

Is it possible to ship overseas?

Please contact us.

I would like a sample.

Paid samples (minimum order quantity: 100g～) are available. Please contact us.

I would like to know about the delivery date.

It basically takes 2-3 weeks after receiving an order, depending on the quantity. Please contact us for more details.

Copper Paste (High-temperature firing type)

Is atmospheric firing possible?

Not possible. This product is a nitrogen-fired type.

I don't have a firing furnace, can you fire it for me?

We can also provide firing only. Please contact us for details.

Are nano-sized copper pastes available?

Not available.

Is low-temperature firing possible?

Possible. It can be fired at 650°C.

Is plating possible?

Possible.

Are environmentally hazardous substances (10 substances subject to RoHS 2.0) contained?

Not contained.

Resistive Paste

Is atmospheric firing possible?

Not possible; CuNi type is nitrogen-fired, LB6 type is nitrogen (vs. alumina) or atmospheric (vs. aluminum nitride).

I don't have a firing furnace, can you fire it for me?

We can also provide firing only. Please contact us for details.

What is the resistance range?

Please check the product page.

Are environmentally hazardous substances (10 substances subject to RoHS 2.0) included?

Not contained.

Are there any compatible electrodes or glass pastes?

Please feel free to contact us.

Conductive Paste Blending Materials (Sintering auxiliary agent)

What are the storage conditions?

Freezing at minus 18°C below is recommended. Storage at refrigerated or room temperature will increase viscosity.

Is it dry powder?

It is not a dry powder, but a paste.

What is the silver concentration?

It is about 88 wt%, depending on the solvent.

I would like it disposed of.

Please send it to our company.(Electronic Materials Department)
4-1-21 Hamazoe-dori, Nagata-ku, Kobe 653-0024, Japan
Electronic Materials Department
TEL：+81-78-682-3985.

Are environmentally hazardous substances (10 substances subject to RoHS 2.0) included?

Not contained.

Is it a hazardous material?

Not a hazardous material.

Is it possible to ship overseas?

Please contact us.

I would like a sample.

Paid samples (minimum order quantity: 100g～) are available. Please contact us.

I would like to know about the delivery date.

It basically takes 2-3 weeks after receiving an order, depending on the quantity. Please contact us for more details.

Is it possible to disperse this product in specified solvents and resins?

Dispersion trials are also possible for solvents and resins that have not been dispersed before. Please contact us.

How much should be added?

Since chemical compatibility depends on the paste, please try shaking multiple levels such as 10%, 30%, and 50% addition.

Cu Substrate with filled via

Is processing other than hole filling possible?

Possible. We can handle everything from obtaining substrates to drilling, hole filling, firing, polishing, and plating.

Is it possible to drill holes only?

Possible. Please contact us.

What is the type of plating?

Ni/Au plating.

I would like to know about the delivery date.

It takes one month after receiving an order, depending on the processing details. Please contact us for more details.

Do you have a track record?

Installation on Satellites. It is also used for other telecommunication applications.

Sub-material for heat press process (cushioning material)

What is the difference between 1 ply, 2 ply and 3 ply?

Number of cushion layers is different.

What ply cushioning material should I use?

Depending on how it is used, 2 ply cushioning material is often used.

What is the difference between the M and D series?

The main difference is the material used for the surface layer: aramid fiber cloth for the M series and fluorine-coated glass cloth for the D series.

What is the maximum size?

It is about 2m x 1m. For smaller sizes, we will basically cut out a piece from a larger size.

What is the production capacity?

Maximum size is about 500 sheets.

What is end-face treatment?

A process to prevent leakage of material from the inside.

What is the thread removal process?

Warp threads are pulled out in advance to prevent thread loss.

How many times can it be used?

Depending on operating conditions such as pressure and temperature, 200 cycles are possible under the conditions of 230°C x 3 MPa x 3 hours holding.

I would like a sample.

Please contact us.

Is it possible to ship overseas?

Possible. Please contact us.

Silver Nano-Ink

What is the particle size?

The average particle size is about 20 nm. Smaller particles are also possible.

In what solvents can it be dispersed?

Dispersible in water and polar solvents. Please contact us for details.

What is the silver concentration?

60 wt% or less.　Adjustments are possible.

Active Metal Paste

Is atmospheric firing possible?

Not possible. This product is a nitrogen-fired type.

I don't have a firing furnace, can you fire it for me?

We can also provide firing only. Please contact us for details.

I would like to stack about 300µm.

Possible. Laminated paste is also available.

Are environmentally hazardous substances (10 substances subject to RoHS 2.0) included?

Not contained.