鳴海製陶 List of Products and Services

Reduces crack formation due to thermal expansion differences at the joint when using quartz glass as a cover glass. The yield during sealing improves. The airtightness of the package is also enhanced due to material properties and metallization processing. The through-via structure improves heat dissipation, which is expected to extend the device's lifespan. 【Features】 ■ The expansion coefficient of the package is about 1/4 that of aluminum nitride, resulting in good bonding compatibility with quartz glass and improved reliability. ■ The porosity is as small as that of ceramics, and the airtightness of the package is enhanced by metallized sealing. ■ By reducing the difference in expansion coefficients, the yield in the production process (during sealing) is improved. 【Examples of Applications】 ■ Glass ceramic package for sealing deep ultraviolet (UVC) LEDs ■ Glass ceramic package for sealing deep ultraviolet (UVC) sensors

• Weighing and counting machines
• Nursing care products

We also accept production of products not listed in the catalog. By applying the frit technology developed through ceramic and glass painting, as well as functional paste development, we can offer proposals tailored to your needs. We also have a track record of supplying to major manufacturers. 【Features】 ■ Elimination of harmful substances in glass frit ■ Small lot production of glass frit ■ Improvement of functionality in glass frit ■ Customization of glass frit ■ Proposals tailored to your needs ■ Customization of particle size, etc. 【Examples of Applications】 ■ For sintering (grinding wheels, glass bonds) ■ For electronic materials (sealing, adhesion, conductive paste) ■ Elimination of harmful substances in various types of glass, etc.

• Synthetic Resin Plywood

We also accept the production of products not listed in the catalog. By applying frit technology developed through ceramic and glass painting, as well as functional paste development, we can provide proposals tailored to your needs. We also have a track record of supplying to major manufacturers. 【Features】 ■ Fritting of high-viscosity, high-melting-point difficult-to-handle glass ■ Fritting of colored glass that is undesirable to handle with existing equipment ■ Making currently used glass free of harmful substances ■ Flexibility for small quantities ■ Customizing glass ■ Proposals tailored to needs ■ Customization of particle size, etc. 【Examples of Applications】 ■ For sintering (grinding stones, glass bonds) ■ For electronic materials (sealing, adhesion, conductive paste) ■ Making various glasses free of harmful substances, etc.

• Synthetic Resin Plywood

We have prepared a fine powder grade made from low-expansion crystallized glass and a powder that transforms into low-expansion crystallized glass powder upon heating. Utilizing its properties, it is used in various applications such as low-expansion fillers, abrasives/abrasive grains, and resin additives. 【Features】 ■ Standard products are granulated ■ Customizable particle size ■ Used in various applications leveraging its properties 【Properties】 <N-0> ■ Coefficient of thermal expansion: -4×10^-7/K ■ Density: 2.5g/cm² ■ Thermal conductivity: 1.6W/mK ■ Vickers hardness: 700Hv(0.2) <N-11> ■ Coefficient of thermal expansion: 10×10^-7/K ■ Density: 2.5g/cm² ■ Thermal conductivity: 1.6W/mK ■ Vickers hardness: 800Hv(0.2) 【Applications】 ■ Low-expansion fillers ■ Abrasives/abrasive grains ■ Glass flux additives ■ Resin additives *For more details, please refer to the PDF document or feel free to contact us.

• Synthetic Resin Plywood

This document introduces temperature simulations for crystallized glass transparent heaters by size. It includes information on "electrode width size," "electrode gap direction size," and "simulation conditions." Please take a moment to read it. [Contents] ■ Guidelines for the size of crystallized glass transparent heaters and their achievable temperatures (100V) *For more details, please refer to the PDF document or feel free to contact us.

• Air conditioning equipment

At Narumi Seito Co., Ltd., we utilize screen printing technology and thin film formation technology to provide customized products by freely combining substrates and heating elements, such as transparent heaters and 3D transfer heaters. The substrates include "ultra-heat-resistant crystallized glass," various "ceramics," "quartz glass and various types of glass," and "PET and (PP)." We also offer "thick film type" and "thin film type" heating elements. Please feel free to contact us when making inquiries. [Substrates] ■ Ultra-heat-resistant crystallized glass ■ Various ceramics ■ Quartz glass and various types of glass ■ PET and (PP) *For more details, please refer to the PDF materials or feel free to contact us.

• Air conditioning equipment

"Super Heat-Resistant and Heat-Reflective Glass" is a product that features a special heat-reflective coating on super heat-resistant crystallized glass. It is suitable for use in industrial furnaces, observation windows of experimental furnaces, and the front glass of commercial ovens, allowing for direct observation of the interior conditions due to its excellent heat resistance and visible light transmission. Additionally, it is effective in maintaining the temperature inside the furnace as it is not easily penetrated by heat. 【Features】 ■ Excellent heat resistance ■ Visible light transmission ■ Allows direct observation of the interior conditions ■ Effective in maintaining the temperature inside the furnace *For more details, please refer to the PDF document or feel free to contact us.

• Heat shielding sheet

We develop heaters by combining various substrates and heating elements according to your application and desired basic specifications, using screen printing technology and thin film formation technology. *Please refer to the list below for the substrates and heating elements that can be combined. 　　　【Substrate】　　　　　【Substrate Shape】　　　　　【Heating Element】 ■ Ultra-heat-resistant crystallized glass　　■ Plate, sheet　　■ Thick film (screen printing) ■ Various ceramics　　　　■ Cylindrical　　　　　■ Thin film (screen printing) ■ Various glasses　　　　　　■ 3D shape　　　■ Thin film (CVD) ■ Resin sheet ■ Micro and ultra-thin substrates 【Application Examples】 ■ Ultra-heat-resistant crystallized glass + thick film printed heating element ... Far infrared heater panel ■ Transparent type ultra-heat-resistant crystallized glass + FTO thin film heating element ... Transparent heater ■ AlN thin substrate + thin film heating element ... Thin heater ■ Resin sheet + heating element ... 3D transfer heater ■ Curved processed substrate + thin film heating element ... Curved surface heating element *For more details, please refer to the PDF document or feel free to contact us.

• Air conditioning equipment

We would like to introduce our "Crystallized Glass Desk Mat and Countertop." It does not dissolve in organic solvents, and any oil-based paint that adheres can be completely removed. It also has excellent acid and alkali resistance. Additionally, it has outstanding resistance to thermal shock, so there is no worry of it breaking when placing hot items directly on it, and it will not scorch even if molten solder or a soldering iron comes into contact with it. 【Features】 ■ Easy to clean ■ Hard and resistant to scratches ■ Heat resistant *For more details, please refer to the PDF document or feel free to contact us.

• Study room furniture
• Other store equipment and supplies
• Other commercial buildings and service facilities

We would like to introduce our "Crystallized Glass Transparent Heater." A transparent conductive film is formed on heat-resistant crystallized glass. Since it is transparent, you can observe the heating object through the heater. The maximum size is 1200×900mm. For sizes exceeding this, please consult us. 【Features】 ■ Transparent conductive film (FTO) formed on crystallized glass ■ Rapid heating up to 350℃ ■ Far infrared rays are emitted from the crystallized glass (more emitted from the non-film forming surface) ■ Transparent, allowing observation of the heating object through the heater ■ Maximum size 1200×900mm (consult for sizes exceeding this) *For more details, please refer to the PDF document or feel free to contact us.

• Heating and cooling equipment and facilities

Far infrared rays have the property of being absorbed by the body and warming it from within, and they are utilized in many heating devices. When heat is applied to a plate of ultra-heat-resistant crystallized glass, it generates far infrared wavelengths during heat radiation. We have developed a heater panel that applies this characteristic. We will design the circuit according to the required wattage and area. We also offer heat generation simulation services. Please feel free to contact us when you need assistance. 【Features】 ■ Uses crystallized glass panels with good emissivity ■ Emits infrared rays at wavelengths that are easily absorbed by the body ■ Suitable for drying food and other items ■ Directly forms the heating element in the crystallized glass for better heat transfer (energy-saving) ■ Circuit design according to the required wattage and area *For more details, please refer to the PDF document or feel free to contact us.

• Showcases (for general store use, freezing, refrigeration, heat retention, etc.)
• Air conditioning equipment

The "TOP PLATE" is a cooking plate product made of transparent crystallized glass "N-0" and white crystallized glass "N-11," featuring various color prints achieved through Narumi's special printing technology. In particular, the establishment of decoration technology on crystallized glass "N-0" has enabled the use of this glass, which transmits heat and light, as a top plate for cooking equipment using radiant heaters and halogen heaters, as well as for induction cookers. By enabling direct printing, it can accommodate products of any size. Additionally, the transfer printing technique allows for even more multicolored printing. 【Features】 ■ Special printing technology ■ Heat resistant ■ Direct printing and transfer printing techniques ■ Complies with high-level UL standards (USA) *For more details, please refer to the PDF document or feel free to contact us.

• Water heater Cooker IH
• Cooking facility equipment and supplies

"Super heat-resistant crystallized glass" is a type of glass that has been heat-treated to precipitate extremely small microcrystals within the glass, resulting in minimal thermal expansion. It excels in high-frequency characteristics and electrical insulation, allowing for the printing and baking of electrical circuits using conductive paints (Ag). It also has good transparency to electromagnetic waves. Additionally, it demonstrates excellent resistance to both acids and alkalis, with no leaching of harmful substances (Pb and As) according to food sanitation law tests. 【Features】 ■ Excellent heat shock resistance ■ High infrared transmission rate ■ High mechanical strength ■ Superior electrical properties ■ Strong chemical resistance ■ Smooth surface *For more details, please refer to the PDF document or feel free to contact us.

• Heating and cooling equipment and facilities

The predecessor of Narumi Seito, Teikoku Seitosho, was established in 1911 with the aim of manufacturing porcelain for domestic and overseas export. It started as Narumi Seito in 1950. Since then, in addition to porcelain manufacturing, the company successfully developed ceramics for the electronics industry in 1958, followed by the introduction of "Cook Master," a super heat-resistant crystallized glass tableware in 1962, and the successful development of "Narumi Bone China" in 1965. These developments have led to the birth of new products that support our company. Currently, while focusing on the fundamental concept of "food," we are aiming to become a "lifestyle space creation company" with a broader perspective, taking on further new challenges. 【Business Activities】 ■ Household tableware, commercial tableware, heat-resistant glass, glass products ■ Glass for top plates ■ Clean heater-related products ■ Interior-related products *For more details, please refer to the PDF materials or feel free to contact us.

• Restaurant furniture and equipment
• Cooking facility equipment and supplies
• Water heater Cooker IH