A semiconductor package is a metal, plastic, glass, or ceramic casing containing one or more discrete semiconductor devices or integrated circuits. Individual components are fabricated on semiconductor wafers (commonly silicon) before being diced into die, tested, and packaged. Water Vapor Transmission Rate (WVTR) testing is critical for semiconductor packaging for several reasons: 1. Protection Against Moisture: Semiconductors are highly susceptible to damage from moisture. Moisture can lead to corrosion of the metal interconnects, oxidation of the lead frames, and other moisture-related failures. WVTR testing ensures that the packaging material has a low permeability to water vapor, thereby protecting the semiconductor from moisture. 2. Reliability and Performance: The reliability of semiconductor devices is paramount, especially in critical applications such as automotive, aerospace, medical, and military. WVTR testing of the packaging material ensures that devices will perform reliably over their intended lifespan. 3. Preventing Delamination and Internal Stresses: Moisture inside the package can cause the different materials within the semiconductor package to expand at different rates, leading to delamination and internal stresses. These can cause cracks and other failures. WVTR testing helps in selecting materials that minimize these risks. 4. Avoiding "Popcorning" During Solder Reflow: The solder reflow process involves high temperatures that can cause trapped moisture to expand rapidly, potentially causing the package to crack or "popcorn." This can lead to catastrophic failure of the semiconductor device. WVTR testing helps to ensure that packaging materials are sufficiently moisture-resistant to prevent this. 5. Quality Control and Assurance: WVTR testing is part of comprehensive quality control and assurance programs for semiconductor manufacturing. It helps to verify that packaging materials meet the required specifications for moisture barrier properties. 6. Compliance with Industry Standards: Various industry standards, such as those set by JEDEC, may specify WVTR requirements. WVTR testing ensures compliance with these standards, which is important for interoperability and reliability across different environments and applications. 7. Long-Term Stability and Shelf Life: Semiconductor devices may be stored for extended periods before being used. WVTR testing ensures that the packaging can protect the device from moisture for the duration of its shelf life. 8. Cost Savings: By ensuring that the semiconductor packaging has a low WVTR, manufacturers can avoid costly failures and warranty claims. It is much more cost-effective to test and ensure proper packaging than to deal with the fallout of device failures in the field. In summary, WVTR testing is a key aspect of ensuring the durability and reliability of semiconductor packages, which in turn affects the performance and longevity of electronic devices. GBPI advanced infrared me...

ArabPlast 2023, the largest trade expo for the plastics, petrochemicals, and rubber industry in the MENA (Middle East and North Africa)region, is set to take place from December 13th to 15th, 2023, at the prestigious Dubai World Trade Centre (DWTC) in Dubai, United Arab Emirates. Come visit GBPI at ArabPlast 2023 in Dubai, United Arab Emirates. Address: Dubai International Convention and Exhibition Centre, Dubai, United Arab EmiratesDate: December 13-15 ,2023Booth No.: Hall 6 E03  

GBPI Water Vapor Permeability Analyzer AUTO W806 is based on the test principle of ASTM E96 gravimetric method water vapor transmission and equipped with 6 test chambers.It provides a wide range and high efficiency water vapor transmission rate detection for low, medium and high water vapor barrier materials testing.It is suitable for the water vapor transmission performance test of films, sheets, paper, fabrics, non-woven fabrics and related materials in the fields of food, medicine, medical equipment, daily chemicals, etc.

Quality control (QC) testing for barrier films during the converting process is crucial to ensure they meet performance specifications. Here's a condensed overview of QC testing stages: Raw Material Inspection: Verify resin quality and absence of impurities before production begins. Thickness and Uniformity: Use micrometers or laser gauges to measure film thickness, ensuring consistency. Optical Quality: Assess clarity, gloss, and haze to ensure visual properties are within specifications. Barrier Properties: Oxygen Transmission Rate (OTR): Test with OTR meters to ensure low oxygen permeability. Water Vapor Transmission Rate (WVTR): Use WVTR meters to confirm moisture barrier effectiveness. Mechanical Properties: Tensile Strength and Elongation: Determine film strength and stretchability. Puncture Resistance: Test resistance to tearing or breaking. Seal Integrity: Evaluate the strength and uniformity of seals, if applicable. Surface Energy: Verify surface properties for adequate ink adhesion in printing processes. Lamination Bond Strength: For laminated films, check the adhesion between layers. Dart Drop Impact Test: Assess impact resistance by dropping a dart from a set height. Aging Tests: Simulate storage conditions to predict long-term barrier performance. These tests are interspersed at critical points, such as post-extrusion, post-lamination, after printing, and on the final product. Consistent QC ensures the barrier film maintains its protective functions, adheres to industry standards, and meets customer requirements.

Different manufacturing processes of plastic films lead to differences in the surface morphology of the product, which usually affects the smoothness of film when it passes through machines and equipment. Effectively control the coefficient of friction（COF) of packaging films to improve production line efficiency. coefficient of friction（COF) has always been a major difficulty in the flexible packaging industry. The coefficient of friction (COF) of packaging film production processes is an issue that film manufacturers and distributors have to grapple with every day. In order to solve this problem, film manufacturers usually use additives in the film manufacturing process to further improve the film manufacturing process, thereby controlling the friction coefficient of flexible packaging and minimizing the impact of this adverse factor.   Click here to know more about Coefficient of friction tester   Coefficient of friction tester(COF tester) is used to measure the coefficient of friction of plastic films, sheets, paper and other materials when they slide on the surface of itself or other materials. It is used in quality inspection, drug inspection, scientific research, packaging, film, food, medicine, daily chemical and other industries. In order to detect changes in friction coefficient of materials under various conditions, packaging film manufacturers generally use professional friction coefficient testers as a means of detection and control.   standards:  ASTM D1894-2014, ISO 8295-2004, TAPPI 816   Therefore, it is the time for film manufacturers to find the best way to control the coefficient of friction so that direct users and end users can obtain high-quality products with large output and few failures that can continue to operate, and tailor solutions according to customer needs and actual applications. problems that need to be faced.