Nov 16, 2023
Encoder grating ruler chip supplier

Encoder reading head chips are used in the field of optical encoder chips. For a long time, the sensor chips required by our country need to be imported from abroad, especially in high-end applications. Foreign manufacturers package and sell the entire encoder to our country, rather than selling such encoder chips separately. At present, in the fields of CNC machine tools, medical devices, industrial robots, precision measurement equipment, etc., especially in the high-end demand of these fields, we have a large demand for optoelectronic encoders. If we cannot achieve breakthroughs in optoelectronic encoder chips, the development of these industries will inevitably face the risk of being stuck. Moreover, integrated circuit technology is the most complex process in human history that has developed to the present day. It is the result of collaboration among thousands of enterprises around the world. To achieve domestic breakthroughs in the field of high-end optical encoder chips, there is a long way to go.
At present, the international market is experiencing a chip shortage, with the production cycle of some high-end optical encoders reaching 16 weeks. The main reason is the insufficient supply of core chips. Looking at the current field of optical encoder chip manufacturing in the world, this article summarizes a directory of chip manufacturers from various countries, providing a comprehensive understanding of the field of optical encoder chips.
Optical encoder reading head chip manufacturers are mainly concentrated in the United States, Japan, and Germany.
US manufacturer:
AVGO: (now BROADCOM) Broadcom Limited (NASDAQ: AVGO), formerly known as Avago Technologies Limited, is a factory free semiconductor company in the United States. Its business scope is extensive and it has a headquarters in San Jose, USA. Anhua High tech was founded in 1961 and renamed Botong Co., Ltd. after completing its acquisition of Botong in January 2016. Broadcom provides various encoder accessories for its encoder products, such as cables and alignment tools. These encoder accessories provide customers with a complete encoder solution and make it easier to assemble Broadcom's encoder products into final applications.
MICRO-E: For over 20 years, MicroE's innovative patent PurePrecision ™ Technology has always been the core optical technology platform utilized by MicroE, providing the market with precision optical encoders that are smaller, easier to align, and install than competing products. This technology enables designers of precision motion control systems in medical, robotics, semiconductor, advanced industrial, and scientific applications to design smaller, lighter, and more energy-efficient machines and instruments.
Japanese manufacturer:
NPC: (SEIKO) Since its establishment in 1975, NPC has undertaken the development of many customized ICs that meet customer needs and provided them as products. By utilizing years of accumulated analog IC development technology and the strength of its own semiconductor manufacturing factory, NPC will be able to meet the customer's "I want to develop this mixed signal LSI" requirements.
HAMAMATSU: Hamamatsu Photonics Co., Ltd. (referred to as Hamamatsu Group) is a global leader in photon technology and the optical industry. Since its establishment in 1953, Binsong Group has sold over 15000 types of optoelectronic products to over 100 countries and regions worldwide. These products are widely used in fields such as biomedical, high-energy physics, space exploration, precision analysis, industrial measurement, and civilian consumption. A variety of products are renowned for their excellent quality and enjoy a high market share, such as the photomultiplier tube series products, which have a market share of up to 90%. At present, Binsong Group has established branches or offices in Japan, China, Taiwan, China, the United States, Germany, Russia, Italy, South Africa, the Netherlands, Switzerland, Denmark, Poland and other countries and regions.

KODENSHI: KODENSHI's KM1102 series is the world's first LSI to achieve 16 interpolated digital outputs (64 edges per sine cycle) electrically proportional to the input phase for encoder applications. KM1102 adopts the theory of "resistance trapezoidal phase voltage conversion method", a well organized and highly planar precious polycrystalline silicon resistor array, to generate high-resolution "optical encoder", "magnetic encoder", and "laser encoder".

German manufacturer:
IC-HAUS: iC-Haus, a German company founded in 1984, is a leading manufacturer of high-quality standard iC (ASSP) and customized ASiC semiconductor solutions. The product line covers a wide range of applications in industrial automation, automotive industry, and medical equipment, with a focus on motion control and laser driver iCs.
IC Haus also launched the open-source BiSS interface in 2002, which is a digital interface used for sensors and actuators and has been implemented in various manufacturers' products.
PREMA: PREMA can complete integrated circuit design, from prototype to mass wafer production, and wafer testing. Its expert team includes a circuit design team, a process engineer team, and a testing department. PREMA is located in Mainz, the Frankfurt metropolitan area of Germany. For wafer production, PREMA uses innovative semiconductor bipolar and BiCMOS processes. The production volume ranges from prototypes to millions of series. The advantage of PREMA lies in analog and mixed signal ICs. Most of PREMA's products are customized ICs (ASICs) designed and produced specifically for one customer.
Chinese manufacturer:
The rotating optoelectronic encoder chip independently developed by the Beijing Zhongwei Ruixin team is composed of multiple high-precision core components such as a high-precision low noise operational amplifier, photodiode array, and hysteresis comparator with back error, with an accuracy of 23 bits. It has reached a leading level in both repeatability and positioning accuracy
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