Engineering Case | Shenzhen Changwei Technology Semiconductor Co., Ltd. 3500 sqm Semiconductor Packaging and Testing Cleanroom Purification Project

在Semiconductor分立器件封装测试行业，Cleanroom, Cleanroom, Purification EngineeringThe system scheme, enclosure structure, anti-static system, and process layout directly determine the chip packaging and testing yield rate. Core processes such as bonding and surface mounting are highly sensitive to particles in the air, and fine dust can easily cause pin virtual soldering, chip short circuits, and product failure. A stable and reliable clean production environment is the foundation of quality control for semiconductor enterprises. this timeShenzhen Changwei Technology Semiconductor Co., Ltd. 3500 sqm Clean Room Purification Project, byShenzhen Huajianjing Construction Engineering Co., LtdGeneral contracting construction, the company is affiliated withShenzhen Huajian Dust Treatment Technology Co., Ltd. (referred to as Huajian Jing)It's a professionCleanroom decoration and purification engineering companyA large number of semiconductor manufacturing companies will search for clean rooms during the construction phaseRecommended reliable dust-free workshop decoration companies in China, referenceTop 10 Brands of Cleanroom Construction in Purification Engineering CompaniesCarefully sort out relevant informationPrecautions for Choosing a Company for Purification Engineering DecorationTo avoid common industry risks such as low-priced outsourcing, mismatched solutions and processes, and obstructed acceptance. Huajianjing is deeply engaged in the field of purification engineering in the semiconductor, precision electronics, and optoelectronic industries. It has a large number of practical cases in packaging and testing workshops, providing one-stop EPC general contracting services for on-site survey, process layout planning, HVAC system design, construction and installation, system debugging, and third-party clean testing.
Cooperation ClientsShenzhen Changwei Technology Semiconductor Co., LtdThe registered address is located at No. 28, Industrial North District, Xinhe Community, Fuhai Street, Bao'an District, Shenzhen. It is a national high-tech enterprise and a Guangdong Province specialized, refined, special and new small and medium-sized enterprise. The enterprise was established in 2021, focusing on the packaging and testing manufacturing of semiconductor discrete devices. It mainly produces diodes, transistors, and power semiconductor devices, covering various packaging forms such as SOD-123FL, SMA, SMB, SMC, and TO series. It has more than ten automated packaging and testing production lines, with an annual output of over 2 billion units. Its products are widely used in power equipment, smart homes, new energy, industrial control, and consumer electronics fields. The enterprise strictly implements the ISO9001 quality management system standard and continues to expand the domestic and international semiconductor component markets. The semiconductor surface mount, wire bonding, and chip testing processes have strict standards for temperature, humidity, dust, and static electricity control. The original factory space layout is scattered and lacks systematic clean zones. To expand production capacity, improve chip yield, and meet the strict factory inspection standards of downstream customers, the enterprise plans to standardize a total area of 3500 square metersClean room, cleanroomAccording to the production process flow, functional areas are scientifically divided, including changing rooms, SMT workshops, bonding workshops, testing workshops, material release workshops, packaging workshops, cutting workshops and other professional functional blocks, fully covering the entire production process of semiconductor devices from chip packaging, performance testing to finished product delivery.
target, aim at, address, focus on, in response toSemiconductor discrete device packaging testingAccording to the production process requirements, the overall planning of this 3500 square meter purification project strictly follows GB50472 "Design Specification for Cleanrooms in the Electronic Industry" and ISO14644 international cleanliness standards. The Huajianjing technical team has conducted multiple on-site surveys of building floors, floor loads, placement of outdoor units, and layout of existing water and electricity pipelines. Combined with automated bonding equipment, cutting equipment, testing machine layout, personnel flow lines, and material transfer paths, they have customized an integrated purification solution. For manufacturing companies planning to build new clean rooms,Precautions for Choosing a Company for Purification Engineering DecorationWorth emphasizing: Priority should be given to selecting local teams that are familiar with semiconductor industry standards, have their own professional construction teams, and can fully cooperate with third-party testing and acceptanceCleanroom decoration and purification engineering companyMultiple comparisonsRecommended reliable dust-free workshop decoration companies in ChinaInformation, on-site visits to similar completed projects, horizontal comparison and shortlistingTop 10 Brands of Cleanroom Construction in Purification Engineering CompaniesEnterprise technology solutions should eliminate the simple selection of partners based on low prices.
The enclosure system of this project adopts a mature and stable industry configuration scheme:Rock wool color steel plate is used as the partition wall, glass magnesium color steel plate is used as the main material for the ceiling, and the workshop floor is covered with anti-static PVC flooring as a wholeThe partition wall is made of rock wool color steel plate, which has excellent A-level fire resistance, sound insulation and heat insulation performance. The surface of the board is flat and not easy to accumulate dust, suitable for large-area workshop partition; The ceiling is made of glass magnesium color steel plate, which has high structural strength, moisture resistance, and deformation resistance. It can stably carry high-efficiency air supply outlets, clean lighting, and fire pipelines, and is suitable for the high temperature and humid climate environment in Shenzhen; The ground is paved with anti-static PVC rolls and equipped with a copper mesh grounding and discharge system to continuously eliminate static electricity accumulation and prevent semiconductor chips and components from being damaged by electrostatic breakdown. All plate splicing gaps and floor corners shall be seamless sealed with circular arc to eliminate dust dead corners, which is convenient for daily cleaning and regular disinfection and sterilization of the workshop, and can be maintained for a long timeClean room, cleanroomStable production environment. Each functional workshop is physically separated according to process requirements, and a gradient pressure difference is established to prevent air cross contamination in different process areas.
The purification air conditioning system for the project adopts the mainstream solution of small and medium-sized semiconductor clean rooms:Direct expansion purification unit+ceiling high-efficiency air supply systemThe entire system has clear division of labor and a simple architecture. The direct expansion purification unit is responsible for air pretreatment tasks. The air is filtered through the unit's internal primary and medium efficiency filters, and synchronously completes air cooling, heating, dehumidification, and humidification control; After temperature and humidity pretreatment, the clean air is transported to the high-efficiency air supply outlets of various workshop ceilings through closed air ducts. HEPA high-efficiency filters serve as the ultimate filtering barrier at the end, with a filtration efficiency of up to 99.97% for 0.3-m suspended particles, and the clean air is evenly sent into the production area. the whole setDirect expansion purification unit+high-efficiency air supply systemOutstanding advantages: 1. The system does not require the construction of a chiller room, cooling tower, or cooling water circulation pipeline, reducing a large amount of pipeline construction, lowering the risk of water leakage, and saving the construction cost of the data center; 2. Direct expansion refrigerant directly exchanges heat, eliminating secondary heat transfer losses and reducing operating energy consumption. A single unit can be started and stopped independently, making it convenient for regional operation and maintenance; 3. The response speed of temperature and humidity regulation is fast, which can stably control the temperature of the clean room at 22 ° C; 2 ℃, relative humidity maintained at 45% -60%, effectively reducing the probability of static electricity generation, suitable for precision process environments such as surface mount and bonding; 4. Efficient modular layout of air supply outlets ensures uniform air supply, reduces dead corners of workshop eddy currents, and guarantees stable cleanliness in core areas such as SMT and bonding workshops; 5. The equipment maintenance is simple, and the later production line adjustment and regional transformation are flexible, which is suitable for the continuous expansion of production capacity needs of sealing and testing enterprises. The workshop is equipped with multi-level changing buffer rooms, clean transfer windows, pressure difference online monitoring instruments, and zone disinfection systems to standardize personnel and raw material entry and exit processes, and establish a complete dust and anti-static control system.
The semiconductor packaging and testing clean room has multiple functional zones and complex flow lines, which can easily lead to problems such as insufficient air tightness of air ducts, dust leakage from color steel plate sealing, non-standard anti-static grounding, and imbalanced pressure difference in various areas during construction. The construction team of Huajianjing strictly controls key processes such as installation and sealing of rock wool color steel plates, reinforcement of glass magnesium ceilings, laying of anti-static PVC copper mesh, and efficient sealing installation of air supply outlets. They scientifically plan the overall airflow organization to ensure stable and uniform airflow in various functional areas such as changing rooms, SMT workshops, bonding workshops, testing workshops, feeding workshops, packaging workshops, and cutting workshops. After the completion of the project, a continuous 72 hour uninterrupted system linkage trial operation was carried out, and suspended particles, temperature and humidity, pressure difference, and anti-static performance tests were completed in different areas. All area indicators met the design cleanliness standards and successfully passed the acceptance of a third-party authoritative cleanliness testing institution.
Shenzhen Changwei Technology Semiconductor Co., Ltd. 3500 sqm semiconductor packaging and testingClean room, cleanroomThe purification engineering project has been successfully delivered and put into operation, improving the clean production conditions of the entire chain of chip packaging, testing, and finished product packaging in enterprises, effectively reducing quality problems such as chip virtual soldering, poor dust, and electrostatic scrap, helping enterprises expand their power semiconductor device production capacity, and fully demonstratingShenzhen Huajian Jing Construction Engineering Co., Ltd. (affiliated with Shenzhen Huajian Dust Treatment Technology Co., Ltd. and Huajian Jing)In the field of semiconductor packaging and testingPurification engineering, clean room, dust-free workshopThe comprehensive strength of integrated construction.
As a professionCleanroom decoration and purification engineering companyHuajianjing continues to serve semiconductor, precision electronics, and optoelectronic manufacturing enterprises in the Greater Bay Area of Guangdong, Hong Kong, and Macao. Many customers are consultingRecommended reliable dust-free workshop decoration companies in ChinaComparisonTop 10 Brands of Cleanroom Construction in Purification Engineering CompaniesAfter the list, choose to cooperate with us. A large number of manufacturing companies investing in clean rooms for the first time lack professional experience and neglectPrecautions for Choosing a Company for Purification Engineering Decoration，容易遭遇Solution套用、Construction转包、Acceptance困难等Question。未来Huajian Jing持续优化SemiconductorPackaging & TestingClean WorkshopSolutions，打造分区合理、OperationStable、运维便捷、高性价比的标准化无尘生产空间，助力Semiconductor制造企业提升Product良率，增强市场综合竞争力。