三幸 Product Lineup

Our crystal growth furnace is designed based on the requirements for oxide single crystals, which include "high melting point, oxygen atmosphere, and long-term stable control." *For more details, please feel free to contact us at the information below.* Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Electric furnace

Our company recommends the "Porous Ceramic Crucible" for the sintering of powder materials. Unlike conventional dense crucibles, which tend to trap gas during the process, the porous structure allows for stable processing. The shapes can be freely customized, including square, round, and deep types, and we can accommodate small lots and prototypes. ■Features • The porous structure allows for good gas escape, reducing firing unevenness. • Ideal for debinding processes and material treatments that generate gas. • Maintains shape stability even at high temperatures and exhibits excellent thermal shock resistance. • Material selection according to application, such as alumina, is possible. • Custom shapes available, including square, round, and deep types. We can handle small quantities for experiments and evaluations with flexibility. Typically, production is done using wooden molds, but there are cases where wooden molds are not required. *For more details, please feel free to contact the following address. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

Our company manufactures specialized jigs to stably support heat transfer tubes used in high-temperature processes such as firing furnaces and heat treatment furnaces. We use heat-resistant ceramics like porous alumina and zirconia, which provide dimensional stability and corrosion resistance that cannot be achieved with metals. We can prevent bending of the heat transfer tubes, ensure uniform temperature within the furnace, and propose shapes tailored to on-site challenges. We also accommodate custom manufacturing and small lots, providing support from material selection based on application. ■ Features • Made of heat-resistant ceramics that are less prone to deformation in high-temperature environments • Reduces temperature unevenness in the furnace by providing stable support for heat transfer tubes • Ensures insulation and corrosion resistance, which are difficult to achieve with metals • Supports custom shapes according to application (grooved shapes, stepped designs, hole processing, etc.) • Can be manufactured without drawings (from hearing to design) We can be flexible with small quantities for experimental and evaluation purposes. Typically, we use wooden molds for production, but there are cases where wooden molds are not required. *For more details, please feel free to contact the following address. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

Our company manufactures ceramic fixtures for stabilizing heater wires used in electric furnaces and heat treatment equipment. We use heat-resistant materials primarily based on alumina to prevent misalignment and breakage of the heater wires. The shapes can be customized according to the application, and we offer optimal designs based on the diameter and arrangement of the heater wires, including groove shapes, hole processing, and stepped designs. We are also flexible in accommodating small lots and prototypes. ■ Features • Stable holding power even at high temperatures • Prevents misalignment and breakage of heater wires • High insulation properties, making it an ideal alternative to metal fixtures • Custom shapes available according to application We can handle small quantities for experiments and evaluations with agility. Typically, production is done using wooden molds, but there are cases where wooden molds are not required. *For more details, please feel free to contact us at the information provided below. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

★Ceramic crucibles that are strong against high temperatures and corrosive environments, enabling stable material testing and firing. Our "ceramic crucibles" are ideal heat-resistant containers for use in high-temperature and corrosive environments, such as material testing, firing, and melting processes. ■Features • Excellent high-temperature resistance • Available in alumina and zirconia, primarily in porous materials • Custom shapes can be produced, accommodating small lots and prototypes ■Size: Maximum outer diameter φ●×●H×t●; minimum size is negotiable Suitable for small quantities for experiments and evaluations, allowing for flexibility. Typically, production is done using wooden molds, but there are cases where wooden molds are not required. *For more details, please feel free to contact us at the information provided below. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

The "Carbon Heater" is a graphite heater made of isotropic graphite. 【Optimized for High-Temperature and High-Vacuum Processes】 - Custom heater solutions for semiconductor and material processing - Our carbon heater is an industrial high-performance heater designed to achieve stable heating in high-temperature and high-vacuum environments. It leverages the unique high heat resistance and low heat capacity of carbon materials to accommodate a wide range of thermal processing applications. 【Features】 ■ Material: CIP material, CIP material (high purity) ■ Size: Maximum φ356×φ226×80H; minimum size available upon consultation ■ Tolerance: JIS general tolerance intermediate ■ Minimal shape change even in high-temperature environments above 1,000℃ ■ Flexible customization available for equipment manufacturers and research institutions, including resistance values, zone design, and mounting structures *For more details, please feel free to contact us at the information provided below. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

The "Carbon Ring" is a graphite ring made of isotropic graphite. Since it can be manufactured from just one piece, please feel free to consult us. 【Features】 ■ Material: CIP material, CIP material (high purity) ■ Size: Maximum φ●×φ●×●H, minimum is negotiable ■ Surface roughness can also be specified ■ Tolerance: JIS general tolerance intermediate *For more details, please feel free to contact us at the information provided below. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

"Carbon nuts" are graphite nuts made of isotropic graphite. High-purity treatment is available as an option. Since they can be manufactured from a single piece, please feel free to consult us if you have specific material requirements. 【Features】 ■ Material: CIP material, CIP material (high purity) ■ Size: Maximum M●×●H, minimum is negotiable ■ Surface roughness can also be specified ■ Tolerance: JIS general tolerance intermediate *For more details, please feel free to contact us at the information provided below. Sanko Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

"Carbon bolts" are graphite bolts made of isotropic graphite. Since they can be manufactured from a single piece, please feel free to consult with us. 【Features】 ■ Material: CIP material, CIP material (high purity) ■ Size: Maximum M●×●L, minimum size is negotiable ■ Surface roughness can also be specified ■ Tolerance: JIS general tolerance intermediate *For more details, please feel free to contact us at the information provided below. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

The "Carbon Crucible" is a graphite crucible made of isotropic graphite. Since it can be manufactured from just one piece, please feel free to consult with us. 【Features】 ■ Material: CIP material, CIP material (high purity) ■ Size: Maximum outer diameter φ●×●H×t●, minimum size is negotiable ■ Surface roughness can also be specified ■ Tolerance: JIS general tolerance intermediate *For more details, please feel free to contact us at the information provided below. Sankou Co., Ltd. Headquarters Sales Department TEL: 03-5403-9250

• Processing Contract

We would like to introduce the "precision machinery products" that we handle. We offer a range of products including a "crystal growth furnace" using high-frequency induction heating, a "high-frequency induction heating skull melt furnace" that does not require a crucible, an "annealing furnace" utilizing vertical resistance heating, and a "vertical resistance heating Bridgman furnace" equipped with a disilicide molybdenum heater. We design and manufacture equipment tailored to our customers' needs. 【Product Lineup (Partial)】 ■ Crystal Growth Furnace ■ High-Frequency Induction Heating Skull Melt Furnace ■ Annealing Furnace ■ Vacuum High-Temperature Resistance Synthesis Furnace ■ Vertical Resistance Heating Bridgman Furnace *For more details, please download the PDF or feel free to contact us.

• Annealing furnace
• Heating device
• controller

We would like to introduce the "graphite products" that we handle. We carry out various processing using horizontal machining centers, lathes, and vertical milling machines. We also accept designs for heaters, thermal shields, and more. Please feel free to consult us regarding target tolerances, unified standard threading, and shipping based on resistance value matching, etc. 【Possible dimensions for production (finished dimensions)】 ■ Square items: 420×340 [mm] ■ Round items: φ320 [mm] ■ Long items: 800L [mm] *For more details, please download the PDF or feel free to contact us.

• Processing Contract

We would like to introduce the "ceramic products" handled by Sanko Co., Ltd. We offer materials such as porous and dense types of alumina and zirconia. The maximum dimensions for firing are W1000×D1000×H480. Additionally, we manufacture circumferentially processed products using dense alumina on a lathe. We have alumina purities of 92%, 96%, 99%, and 99.5%. 【Characteristics of Refractories (Alumina and Zirconia)】 ■ A lineup of materials including porous and dense types of alumina and zirconia ■ Maximum dimensions for firing: W1000×D1000×H480 ■ Zirconia bubbles are also available *For more details, please refer to the PDF document or feel free to contact us.

• Ceramics

The "Annealing Furnace" is a device that arranges four vertical molybdenum disilicide heaters on all sides, capable of heating workpieces at high temperatures and over a wide area. By adopting a vertical resistance heating method, it achieves excellent heat uniformity, minimizes the entrapment of foreign objects in the heater compared to door-type designs, and reduces the footprint of the device. Additionally, it is equipped with a furnace floor lifting mechanism and a furnace floor cart withdrawal mechanism, allowing for safer and easier loading and unloading of workpieces onto the furnace floor. 【Features】 ■ Adopts vertical resistance heating method ■ Uses molybdenum disilicide heaters ■ Capable of heating up to 1800°C in atmospheric conditions ■ Equipped with furnace floor lifting mechanism and furnace floor cart withdrawal mechanism ■ Allows for safer and easier loading and unloading of workpieces onto the furnace floor *For more details, please refer to the PDF document or feel free to contact us.

• Industrial Furnace

The "T11-18VR" is a resistance heating device designed to synthesize samples by heating them to high temperatures in an alumina tube under an inert gas or oxidizing atmosphere. By adopting a vertical resistance heating method, it minimizes the entrapment of atmosphere into the tube and reduces the footprint of the device. Additionally, it uses a molybdenum disilicide heater, allowing for heating up to 1800°C (maximum 1830°C) for regular use. 【Features】 - The vertical resistance heating method allows for a smaller device footprint. - The use of a molybdenum disilicide heater enables heating up to 1800°C (maximum 1830°C) for regular use. - The operation of the crucible lifting axis can be performed seamlessly from fine to coarse movements. - Equipped with a crucible lifting mechanism, it allows for safer and easier attachment and detachment of the crucible. *For more details, please refer to the PDF document or feel free to contact us.

• Industrial Furnace

The "Vacuum High-Temperature Resistance Synthesis Furnace" is a resistance heating device used to synthesize samples by heating them to high temperatures in an inert gas atmosphere. The device employs a split upper and lower chamber design, allowing for efficient synthesis of samples. Heater temperature, valve operation, and flow control can be managed via a recipe, enabling automated operation. 【Features】 ■ The device uses a split upper and lower chamber design ■ Enables efficient synthesis of samples ■ Adopts a resistance heating method with good heating efficiency ■ Capable of heating up to 1,800°C ■ Excellent visibility and operability *For more details, please refer to the PDF document or feel free to contact us.

• Industrial Furnace

The "De-gassing Furnace (Reduction Furnace)" is a device that performs reduction treatment (de-gassing) by vertically arranging resistance heating elements and internal components within a quartz tube. It features an over-temperature prevention function to prevent abnormal heating of the heater, and an uninterruptible power supply (control system) to handle instantaneous power outages. Additionally, by inserting the workpiece from below the heater, the contamination of foreign substances into the quartz tube is minimized, allowing for processing in a clean atmosphere. 【Features】 ■ Over-temperature prevention function to prevent abnormal heating of the heater ■ Uninterruptible power supply (control system) for handling instantaneous power outages ■ Equipped with a paperless recording pen (8 points), vacuum processing is also possible ■ Uniform heating: 800℃±10℃ ■ Processing in a clean atmosphere is possible *For more details, please refer to the PDF document or feel free to contact us.

• Industrial Furnace

The "1800ST Series" is a standard small high-temperature high-vacuum atmosphere furnace that can conduct experiments and production in a very short time. Since heat treatment can be performed in a very clean state with extremely low amounts of adsorbed gases, it ensures products of very high purity and quality. The furnace body features a top-opening design that allows for easy loading and unloading of workpieces, and the chamber structure incorporates water-cooled jackets and protective covers to ensure sufficient safety and prevent damage to seals from heat. 【Features】 ■ Capable of conducting experiments and production in a very short time ■ Heat treatment can be performed in a very clean state with extremely low amounts of adsorbed gases ■ Ensures products of very high purity and quality ■ The furnace body has a top-opening design for easy loading and unloading of workpieces ■ The chamber structure incorporates water-cooled jackets and protective covers *For more details, please refer to the PDF document or feel free to contact us.

• Incinerators and incinerators

The "roasting furnace" is a device that installs resistance heating elements and insulation materials inside a stainless steel chamber to heat samples in the atmosphere and perform roasting. It adopts a programmable temperature controller that can hold and set 19 programs (1 program/19 steps). By placing the heater inside a quartz tube, it prevents particle contamination. 【Features】 ■ Over-temperature prevention function to prevent abnormal heating of the heater ■ Uninterruptible power supply (for the control system only) to instantly counteract power outages ■ Equipped with a paperless recording pen (8 points) to capture temperature data inside the furnace ■ Adopts a programmable temperature controller ■ Can hold and set 19 programs (1 program/19 steps) *For more details, please refer to the PDF document or feel free to contact us.

• Incinerators and incinerators

This catalog is the comprehensive catalog of Sanko Co., Ltd., which conducts design, manufacturing, evaluation, and improvement or modification work of equipment tailored to customer needs. We offer a range of products, including the "Standard Small High-Temperature High-Vacuum Atmosphere Furnace 1800ST Series," which performs heat treatment processing of products in a vacuum or gas atmosphere to produce high-quality products, and the "Vertical Cylindrical Heater Unit," which arranges cylindrical heaters in three vertical zones and allows for individual heating control of corner zones. [Contents (excerpt)] - Ceramic products - Standard Small High-Temperature High-Vacuum Atmosphere Furnace 1800ST Series - Crystal growth furnace - High-frequency induction heating skull melting furnace - Vacuum high-temperature resistance synthesis furnace *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing

XYZ is a heater for semiconductor thermal processing furnaces with a new shape. It excels in surface temperature uniformity of wafers and heating and cooling characteristics. 【Features】 ■ Control thermocouples Inserted into the heater sidewall (4 for control, 4 for over-temperature protection, with adjustment mechanism) ■ Insulation material Outer circumference: Fine flex paper Inner circumference: High purity fiber mold *Comprehensive catalog available. For more details, please contact us or download the PDF to view.

• Other heaters