Grooved Expanded Polyurethane Polishing Pad

In the precision machining field of modern material surface treatment, grooved polyurethane polishing pads have become a key consumable for many industries to achieve high-quality polishing due to their innovative design and excellent performance.

Unique structural design

Surface groove layout: The surface of the grooved polyurethane polishing pad is distributed with carefully designed grooves. These grooves are arranged in regular geometric shapes, commonly including straight lines, grids, or concentric circles. The width, depth, and spacing of the grooves are precisely calculated and customized according to different polishing requirements and the characteristics of the polished material. For example, in the rough polishing stage where efficient material removal is required, the grooves may be designed to be wide and deep, with relatively large spacing, to increase the storage and flow space of the polishing solution and improve material removal efficiency; In the precision polishing stage, the grooves will be relatively narrower, shallower, and have smaller spacing to achieve precise control over surface flatness.

Polyurethane matrix characteristics: As the main material of polishing pads, polyurethane has good elasticity and wear resistance. Its elasticity enables the polishing pad to tightly adhere to the surface of the material being polished, achieving uniform polishing effects on both flat and curved surfaces, as well as workpieces with complex shapes. At the same time, the high wear resistance of polyurethane ensures that the polishing pad will not wear out quickly due to frequent friction during long-term use, thereby extending the service life of the polishing pad and reducing production costs.

Excellent performance advantages

Efficient transmission of polishing solution: The design of the groove greatly optimizes the transmission and distribution of polishing solution. During the polishing process, the polishing solution can quickly flow into the groove and be uniformly carried to the surface of the polished material under the action of pressure and centrifugal force. This not only ensures that the entire polishing area can receive sufficient supply of polishing solution, maintain stable chemical reactions, but also effectively reduces the waste of polishing solution and improves the efficiency of polishing solution use.

Accurate material removal control: By designing the parameters of the groove reasonably, the groove polyurethane polishing pad can achieve precise control of the material removal amount. During rough polishing, wider and deeper grooves can guide abrasive particles to concentrate in specific areas, increase the grinding force on the protruding parts of the material surface, and quickly remove a large amount of material; In the precision polishing stage, the fine groove layout enables the abrasive particles to be distributed more evenly, achieving precise repair of surface micro defects, thereby obtaining extremely high surface flatness and smoothness.

Reduce the risk of surface scratches: Compared to ordinary polishing pads, the grooves of grooved polyurethane polishing pads can accommodate and disperse abrasive particles, avoiding scratches on the surface of the polished material caused by excessive aggregation of abrasives during the polishing process. At the same time, due to the uniform distribution of polishing solution, local dry grinding is reduced, further reducing the risk of surface scratches, especially suitable for polishing materials with extremely high surface quality requirements, such as semiconductor wafers, optical lenses, etc.

Semiconductor manufacturing: In the manufacturing process of semiconductor wafers, grooved polyurethane polishing pads play a crucial role. From the grinding and polishing of wafers to the planarization of multi-layer wiring structures during chip manufacturing, it ensures that the wafer surface meets atomic level flatness requirements. Its precise material removal control and low scratch risk provide an ideal surface foundation for subsequent high-precision processes such as photolithography and etching, which helps to improve the integration and performance of chips.

Optical component processing: For the processing of various optical components such as lenses, prisms, and reflectors, grooved polyurethane polishing pads can effectively improve surface quality. It can remove small scratches, dents and other defects on the surface, improve the surface smoothness of optical components, significantly reduce light scattering, and improve transmittance and imaging quality. This polishing pad is widely used in the manufacturing of high-end camera lenses, telescope lenses, laser optical components, and other fields.

Metal precision machining: In the field of precision machining of metal materials, such as aerospace components, key components of automotive engines, precision molds, etc., grooved polyurethane polishing pads are used to remove machining marks, oxide layers, and improve surface smoothness on the metal surface. Its efficient polishing performance and precise material removal control can meet the strict requirements for high-precision dimensions and surface shapes of components in these fields, while improving the corrosion resistance and wear resistance of metal components.

Hemei Semiconductor Comprehensive After sales Guarantee System

In the complex world of semiconductor equipment, after-sales support is a key pillar to ensure smooth customer production processes and efficient equipment operation. Hemei Semiconductor always puts customer needs first and has created a comprehensive and efficient after-sales support system.

1, Professional installation team, consolidating the foundation of equipment operation

The after-sales installation team of Hemei Semiconductor consists of elite members carefully selected from numerous professional technicians. They have years of practical experience in the installation of semiconductor grinding and polishing equipment, and have a thorough understanding of the internal structure and operating principles of various types of equipment.

At the equipment installation site, they will first conduct a comprehensive inspection and debugging of the mechanical structure of the equipment. From precise installation of transmission components to stable reinforcement of various connection parts, every mechanical component is carefully operated by them to ensure the stability and smoothness of equipment operation. For example, when installing high-precision grinding equipment, they will use professional measuring tools to control the flatness error of the grinding disc within a very small range, ensuring that the material is uniformly stressed during the grinding process.

Subsequently, the inspection of the electrical system proceeded in a rigorous and orderly manner. Technicians use advanced electrical testing instruments to test the conductivity of circuits and the performance parameters of electrical components one by one. Once potential electrical hazards are identified, such as loose connections or aging components, immediate repair or replacement will be carried out to eliminate the risk of equipment shutdown caused by electrical faults.

In the parameter calibration stage, the installation team accurately sets the various operating parameters of the equipment based on the technical specifications of the equipment and the actual production needs of the customer. Key parameters such as grinding pressure, polishing speed, and coolant flow rate have been repeatedly calculated and adjusted. And through multiple rounds of testing simulating actual production scenarios, the overall performance of the equipment is comprehensively evaluated. When installing equipment for a large semiconductor manufacturing enterprise, the installation team improved the processing efficiency of the equipment by 15% compared to expectations through multiple parameter optimizations, winning high praise from customers.

2, Detailed operation manual to help customers quickly get started

In order to help customers quickly familiarize themselves with and master the operation methods of the equipment, Hemei Semiconductor has carefully compiled a detailed operation manual. The manual not only provides a clear and easy to understand introduction to the various functions of the equipment, but also provides detailed instructions on the operating steps in a clear and understandable manner. From device startup and operation to daily maintenance and troubleshooting, every step is explained with pictures and text.

At the same time, in order to meet the learning habits of different customers, Hemei Semiconductor also provides installation operation videos. The video presents the installation process and key operating points of the equipment in an intuitive and comprehensive manner. The tour guide in the video will guide the customer step by step to complete various operations in a "hands-on" manner, just like having a professional technical guide by the customer's side at any time. For example, when introducing the complex debugging process of a device, the video will showcase key operational steps through close-up shots, accompanied by concise and clear voice explanations, making it easy for customers to understand and master.

3, Remote support services to promptly solve operational problems

When the customer's equipment encounters problems during operation, Hemei Semiconductor's remote support service will respond quickly. The technical support team is composed of experienced engineers who possess solid professional knowledge and extensive experience in fault diagnosis.

Once receiving a customer's request for help, the technical support team will immediately contact the customer and obtain detailed information about the equipment's malfunction through phone, video, and other means. Then, with professional technical skills, quickly diagnose and analyze the fault. For some simple faults, such as software parameter settings errors, sensor signal abnormalities, etc., the technical support team will assist customers in quickly troubleshooting through remote guidance.

At the same time, professional customer service personnel will also provide one-on-one technical consulting services for customers. Whether customers have doubts about the operating principle of the equipment or encounter technical difficulties during the production process, customer service personnel will patiently listen and provide customers with accurate solutions. A customer once encountered a problem of substandard surface quality when using equipment for grinding special materials. After understanding the situation, the customer service personnel quickly organized technical experts to analyze and provide the customer with a targeted process adjustment plan, successfully solving the customer's problem.

4, Urgent priority response, fully ensuring production continuity

Hemei Semiconductor is well aware of the significant impact that emergency situations can have on customer production, and has therefore established an efficient emergency priority response mechanism. When customers encounter an emergency situation, they only need to call the dedicated emergency service hotline, and the after-sales team will immediately initiate the emergency process.

Upon receiving emergency assistance, the after-sales team will quickly allocate resources. Technicians will bring necessary tools and spare parts to the customer site as quickly as possible. For example, in the event of a critical component damage to a customer's equipment causing production to come to a halt, the after-sales team arrived at the customer's factory within 2 hours of receiving notification. After arriving at the scene, the technicians quickly conducted a comprehensive inspection of the equipment, determined the cause of the malfunction, immediately replaced the damaged components, and conducted a comprehensive debugging of the equipment. The normal operation of the equipment was restored in the shortest possible time, minimizing the customer's production losses.

With a professional after-sales team and a comprehensive after-sales support system, Hemei Semiconductor is committed to providing customers with high-quality and efficient after-sales support services, allowing them to have no worries during equipment installation and use, and truly feel Hemei Semiconductor's caring and strong support.

Hemei Semiconductor: Innovation Leader in Semiconductor Grinding and Polishing Field

In the surging development wave of the semiconductor industry, Hemei Semiconductor is like a fearless and unstoppable giant ship. With its extraordinary technical strength and innovative spirit of pioneering and daring, it stands proudly in the key field of semiconductor material grinding and polishing, becoming a benchmark enterprise in the industry.

Technological innovation, breaking through industry barriers

Hemei Semiconductor has always firmly adhered to the technical concept of "flatter, thinner, and more reliable", and has delved deeply into ultra precision planar processing technology in multiple core areas such as semiconductor substrate materials, wafer manufacturing, semiconductor devices, advanced packaging, MEMS, etc. with a breakthrough momentum. In this long and thorny exploration journey, Hemei Semiconductor has successfully forged a core technological advantage system with technological leadership, excellent performance, and stable processes through persistent efforts and unwavering pursuit. This advantageous system not only provides one-stop system solutions covering grinding, polishing, and CMP for global customers, but also comes equipped with a series of advanced process equipment to help customers achieve a qualitative leap in various aspects of semiconductor manufacturing.

The high-precision grinding and polishing process of the fourth generation semiconductor materials independently developed by the company is undoubtedly a milestone of epoch-making significance in the industry. For a long time, traditional grinding and polishing processes have been plagued by many difficulties such as difficult MRR improvement, time-consuming processes, and huge consumables consumption. The revolutionary technology of Hemei Semiconductor is like an incredibly precise "surgical knife". With precise back pressure control and high-speed stable operation of the grinding disc, it can real-time and accurately regulate the sample pressure and grinding fluid supply during the process. This innovative measure ensures that every detail is evenly stressed during the grinding and polishing process, thus bringing the grinding and polishing process into a new era of intelligent and refined control. The widespread application of this technology is like injecting a powerful development "shot in the arm" into enterprises, not only significantly increasing product yield and reducing production costs, but also greatly improving processing efficiency, helping customers stand out in the fiercely competitive market, seize opportunities, and win the initiative for development.

Elite team, forging excellent quality

The team of employees in the workshop is undoubtedly the solid backbone of the thriving development of Hemei Semiconductor. They are all elite talents carefully selected from related fields such as mechanical manufacturing, electronic engineering, materials science, etc. These talents gather the top intelligence and professional skills in the industry. After joining the company, they went through a rigorous and systematic internal training system, as well as a large number of complex practical projects, which gave them exquisite and skilled operational skills and rich and profound knowledge of craftsmanship.

In the production process, every employee is highly dedicated and focused, fully immersed in their work, and strictly follows standardized operating procedures. From the meticulous carving of components, just like an artist carving precious works of art, not missing any detail; From precision assembly and debugging of the entire machine, every step is carefully controlled by them to achieve perfection. They meticulously craft every factory equipment with the spirit of ingenuity, ensuring that each device is almost perfect, providing a rock solid guarantee for the technology implementation and product quality of Hemei Semiconductor. It is the unremitting efforts and outstanding contributions of this elite team that have enabled Hemei Semiconductor's products to have a high reputation and competitiveness in the market.

Seize the opportunity and seize the market high ground

Looking ahead, the demand in the semiconductor market is showing a strong trend of explosive growth. With the widespread adoption of 5G communication technology, there is an insatiable demand for high-performance semiconductor materials to meet the stringent requirements of high-speed signal transmission and processing. The widespread application of 5G technology, from smartphones to smart IoT devices, from high-speed data centers to autonomous driving fields, all rely on the support of high-performance semiconductors, which provides a broad market space for Hemei Semiconductor.

At the same time, the vigorous rise of the new energy vehicle industry has made power semiconductors such as silicon carbide key materials for core components, and the precision of their grinding and polishing processes directly affects the energy efficiency and endurance performance of automobiles. The rapid expansion of the new energy vehicle market has led to an increasing demand for high-performance and high reliability power semiconductors. Hemei Semiconductor's advanced grinding and polishing technology can precisely meet this market demand, providing strong technical support for the development of the new energy vehicle industry.

In addition, the demand for high reliability and high-temperature resistant infrared detection semiconductor materials in the aerospace industry is also continuously increasing. In the aerospace field, semiconductor materials need to maintain stable performance in extreme environments. With its leading cutting-edge technology and deep industry accumulation, Hemei Semiconductor has accurately laid out its foothold in these high potential tracks. The company has a keen insight into market trends, continuously increases research and development investment, and optimizes product performance to meet the stringent requirements of different industries for semiconductor grinding and polishing equipment and processes.

Strategic cooperation, join hands to create brilliance

In order to further enhance its own strength and expand its global market presence, Hemei Semiconductor has actively established deep strategic partnerships with multiple industry leaders. By working hand in hand, both parties fully leverage their respective advantages, form a strong alliance, jointly overcome technological challenges, and promote the industry's technological leap forward.

From innovative ideas in the laboratory to large-scale industrial applications, Hemei Semiconductor is steadily advancing, step by step consolidating its foundation and bravely moving towards the grand goal of becoming a global leader in semiconductor grinding and polishing equipment and processes. Choosing Hemei Semiconductor means choosing to work hand in hand with innovation, mutually benefit and win with the future, and together embark on a new chapter of precision processing of semiconductor materials. On the future development path, Hemei Semiconductor will continue to be driven by innovation, guaranteed by quality, and bridged by cooperation, working hand in hand with global customers to jointly write a brilliant chapter in the semiconductor industry.

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