Technical Library | 2023-01-17 17:22:28.0
The impact of voiding on the solder joint integrity of ball grid arrays (BGAs)/chip scale packages (CSPs) can be a topic of lengthy and energetic discussion. Detailed industry investigations have shown that voids have little effect on solder joint integrity unless they fall into specific location/geometry configurations. These investigations have focused on thermal cycle testing at 0°C-100°C, which is typically used to evaluate commercial electronic products. This paper documents an investigation to determine the impact of voids in BGA and CSP components using thermal cycle testing (-55°C to +125°C) in accordance with the IPC- 9701 specification for tin/lead solder alloys. This temperature range is more typical of military and other high performance product use environments. A proposed BGA void requirement revision for the IPC-JSTD-001 specification will be extracted from the results analysis.
Technical Library | 2023-08-16 18:42:25.0
In one of our medical applications projects, the customer wanted to dispense a mask to protect gold leads and an underfill on a silicon substrate with a clear test die. The substrates were Dymax X-499-91-C for Masking and Epoxibond-106M-1 for Underfill Dispensing
Technical Library | 2023-11-14 02:36:41.0
Understanding In-Circuit Testing (ICT) with PCBA ICT Testing Machine In-Circuit Testing, commonly known as ICT, stands as a sophisticated and precise method within electronics manufacturing. It serves to evaluate the functionality and integrity of individual electronic components on a Printed Circuit Board (PCB). The process employs specialized equipment called ICT Testers, meticulously designed to pinpoint defects, shorts, opens, and other potential issues within the PCB assembly. The Crucial Role of PCBA ICT Testing Machine 1. Quality Assurance ICT is pivotal in ensuring the overall quality and reliability of electronic products. Early identification and rectification of defects in the production process help manufacturers avoid costly recalls, rework, and post-production issues. 2. Cost-Efficiency ICT significantly reduces manufacturing costs by identifying defects at an early stage. This results in fewer defective units reaching the end of the production line, minimizing waste and rework. 3. Faster Time-to-Market Manufacturers can expedite the production process with ICT by swiftly identifying and resolving issues. This leads to faster product launches, providing a competitive edge in the market. Unveiling the Functions of PCBA ICT Testing Machine The ICT Tester, the core of the In-Circuit Testing process, conducts a battery of tests on each PCB, including: 1. Continuity Testing Checks for open circuits, ensuring all connections are properly established. 2. Component Verification Verifies the presence and orientation of components, ensuring alignment with the PCB design. 3. Functional Testing Some ICT Testers execute functional tests, assessing electronic components' performance as per specifications. 4. Short Testing Identifies unintended connections or shorts between different components on the PCB. 5. Insulation Testing Checks for isolation between different circuits, ensuring no undesired connections or paths. 6. Programming and Configuration In some cases, ICT Testers are used to program and configure specific components on the PCB. Advantages of PCBA ICT Testing Machine 1. High Precision ICT offers unparalleled accuracy in defect detection, making it crucial in modern electronics manufacturing. 2. Speed and Efficiency ICT Testers enable rapid testing, allowing manufacturers to assess a large number of PCBs in a short time. 3. Customization ICT Tests can be tailored to suit specific PCB requirements, ensuring thorough evaluation of every design aspect. 4. Data Collection ICT Testers gather valuable data for process optimization and quality control. In-Circuit Testing (ICT) is fundamental in electronics manufacturing, safeguarding product quality, reducing costs, and accelerating time-to-market. The ICT Tester, with its precision and efficiency, positions manufacturers at the forefront of the highly competitive electronics industry. Embracing ICT is not just a choice; it's a necessity for manufacturers striving for excellence in their products. I.C.T is a leading manufacturer of full SMT line machines in the electronic manufacturing industry. Discover how we can enhance product quality, boost performance, and reduce costs. Contact us at info@smt11.com for reliable global supply, unparalleled efficiency, and superior technical service.
Technical Library | 2023-11-25 07:46:13.0
In the dynamic realm of Surface Mount Technology (SMT), where efficiency and precision are paramount, I.C.T, a renowned SMT equipment manufacturer, proudly unveils its latest innovation – the I.C.T-910 Automatic IC Programming System. Crafted to cater to the intricate demands of SMD chip programming, this cutting-edge device vows to redefine your programming experience and elevate production capabilities. Programming system.png The Power of IC Programming System: As a beacon of excellence in IC Programming Systems, the I.C.T-910 seamlessly integrates advanced technology with user-friendly features. This system empowers manufacturers in the SMT industry, offering versatility in programming needs by accommodating a wide range of SMD chips. Precision Programming: The I.C.T-910 boasts unparalleled precision in programming SMD chips, ensuring accuracy in every generated code. In the SMT industry, where even the slightest error can lead to setbacks, this precision is indispensable. Efficiency Redefined: Accelerate your production timelines with the I.C.T-910's efficient programming capabilities. Engineered to optimize workflows, this system ensures rapid programming without compromising quality, recognizing that time is money in the SMT industry. User-Friendly Interface: Navigating the complexities of IC programming is simplified with the I.C.T-910's intuitive user interface. Operators, even without extensive programming expertise, can harness the system's power, minimizing the learning curve and maximizing productivity. Compatibility and Adaptability: The I.C.T-910 breaks free from limitations, supporting a wide array of SMD chip models. It is a versatile solution for diverse programming requirements, allowing you to stay ahead of technological advancements. Why Choose I.C.T-910 IC Programming System? 8 sets of 32-64sit burners Nozzle: 4pcs Camera: 2pcs (Component camera + Marking camera) UPH: 2000-3000PCS/H Package type: PLCC, JLCC, SOIC, QFP, TQFP, PQFP, VQFP, TSOP, SOP, TSOPII, PSOP, TSSOP, SON, EBGA, FBGA, VFBGA, BGA, CSP, SCSP, and so on. Compatibility: Adapters provided based on customer products. Simple operation interface: Modular and layered interface with pictures and texts for easy operation. System upgrade: Free software upgrade service. Reliability: Trust in the I.C.T-910, a programming system that prioritizes reliability. Rigorous testing ensures consistent and dependable performance, reducing the risk of programming errors and downtime. Elevate Your Competitiveness: Incorporate the I.C.T-910 into your production line to elevate competitiveness in the market. Stay ahead with a programming system designed to meet the demands of the fast-paced SMT industry. Embrace the Future with I.C.T-910: In a landscape where precision, efficiency, and adaptability are non-negotiable, the I.C.T-910 Automatic IC Programming System emerges as the game-changer for SMT manufacturers. Revolutionize your programming processes, enhance productivity, and future-proof your operations with the I.C.T-910. Choose I.C.T-910 and stay ahead in the SMT industry, ushering in the next era of IC programming excellence.
Technical Library | 2007-01-31 15:17:04.0
The goal of this project is to evaluate the reliability of lead-free BGA solder joints with a variety of different pad sizes using several different BGA rework methods. These methods included BGAs reworked with both flux only and solder paste attachment techniques and with or without the use of the BEST stay in place StencilQuick™. The daisy chained test boards were placed into a thermal test chamber and cycled between -25ºC to 125ºC over a 30 minute cycle with a 30 minute dwell on each end of the cycle. Each BGA on the board was wired and the continuity assessed during the 1000 cycles the test samples were in the chamber.
Technical Library | 2020-07-02 13:29:37.0
Industry standards such as J-STD-005 and JIS Z 3284-1994 call for the use of viscosity measurement(s) as a quality assurance test method for solder paste. Almost all solder paste produced and sold use a viscosity range at a single shear rate as part of the pass-fail criteria for shipment and customer acceptance respectively. As had been reported many times, an estimated 80% of the defects associated with the surface mount technology process involve defects created during the printing process. Viscosity at a single shear rate could predict a fatal flaw in the printability of a solder paste sample. However, false positive single shear rate viscosity readings are not unknown.
Technical Library | 2010-03-30 21:51:23.0
This paper presents the drop test reliability results for edge-bonded 0.5mm pitch lead-free chip scale packages (CSPs) on a standard JEDEC drop reliability test board.
Technical Library | 2014-01-02 15:56:55.0
With ROHS compliance the transition to lead-free is inevitable. Several lead-free alloys are available in the market and its reliability has been the main concern. The results from this experimental research aims at making a comparison of different lead-free alloy combinations. Thermal shock and drop tests are a part of this experimental study.
Technical Library | 1999-05-09 13:14:02.0
Studies and tests of comparative soldering iron thermal performance at low temperatures - Metcal direct power soldering technology compared to conventional stored energy soldering irons from leading manufacturers.
Technical Library | 2009-04-09 20:43:09.0
Evidence has come to light that increased solder process temperatures, specifically for lead free solder, are dramatically shortening life expectancy of components; failures do not show up during initial test, but much later on in the products life,
