Industry News | 2016-05-21 08:04:11.0
Oak-Mitsui are proud to announce an expanded strategic partnership adding Oak Mitsui’s proprietary ABC (aluminum bonded copper) to Insulectro’s premier product portfolio including CAC (copper aluminum copper). By leveraging their bicoastal manufacturing locations, ABC will continue to manufacture its bonded product in Hoosick Falls, NY and Insulectro will continue to manufacture CAC at its facility in Lake Forest, CA. The complete line of Oak-Mitsui copper foils, on CAC and ABC, will be available in Insulectro’s inventory by June 17, 2016.
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Technical Library | 2020-09-02 22:14:36.0
The demand for miniaturization and higher density electronic products has continued steadily for years, and this trend is expected to continue, according to various semiconductor technology and applications roadmaps. The printed circuit board (PCB) must support this trend as the central interconnection of the system. There are several options for fine line circuitry. A typical fine line circuit PCB product using copper foil technology, such as the modified semi-additive process (mSAP), uses a thin base copper layer made by pre-etching. The ultrathin copper foil process (SAP with ultrathin copper foil) is facing a technology limit for the miniaturization due to copper roughness and thickness control. The SAP process using sputtered copper is a solution, but the sputtering process is expensive and has issues with via plating. SAP using electroless copper deposition is another solution, but the process involved is challenged to achieve adequate adhesion and insulation between fine-pitch circuitries. A novel catalyst system--liquid metal ink (LMI)--has been developed that avoids these concerns and promotes a very controlled copper thickness over the substrate, targeting next generation high density interconnect (HDI) to wafer-level packaging substrates and enabling 5-micron level feature sizes. This novel catalyst has a unique feature, high density, and atomic-level deposition. Whereas conventional tin-palladium catalyst systems provide sporadic coverage over the substrate surface, the deposited catalyst covers the entire substrate surface. As a result, the catalyst enables improved uniformity of the copper deposition starting from the initial stage while providing higher adhesion and higher insulation resistance compared to the traditional catalysts used in SAP processes. This article discusses this new catalyst process, which both proposes a typical SAP process using the new catalyst and demonstrates the reliability improvements through a comparison between a new SAP PCB process and a conventional SAP PCB process.
New Equipment | Test Equipment
SMT Online AOI Machine ZW 810 Inspection Component: 0201 chip PCB size::25x25-480*330mm Dimension:900*950*1600 mm Weight: 650kg Product description: SMT Online AOI Machine ZW 810, Inspection Component: 0201 chip, PCB size::25x25-480*330mm, D
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Layer Count: 8L Board Thickness: 1.0mm Panel Dimension:190*86mm/2up Material: S1141 Copper on board surface: 35μm Min Hole Diameter: 0.1mm Min line Width/Space: 8/8mil Surface Finish: ENIG+Selective OSP in BGA area This quick turn PCB is manufacture
http://www.flason-smt.com/product/SMT-Online-AOI-Machine.html SMT Online AOI Machine ZW 810 Inspection Component: 0201 chip PCB size::25x25-480*330mm Dimension:900*950*1600 mm Weight: 650kg Product description: SMT Online AOI Machine ZW 810, I
Technical Library | 2016-07-07 15:37:18.0
How susceptible are the metals used in modern electronics manufacturing to corrosion by common beverages? This is a question of interest, especially to manufacturers, retailers and to a certain extent end customers. In this study the dissolution of aluminum, copper, gold, iron, lead, nickel, SAC305 solder, silver, tin and zinc was examined. Individual foils of these materials were fully immersed in one of sixteen chosen beverages and heated for 3 days at 40°C. The resulting solutions were analyzed using ICP-OES. The data were examined in light of the known pH, conductivity and ionic contents of the beverages, determined in previous work. Conclusions about the relative susceptibility to corrosion of the various metals and the corrosive power of the different beverages are made.
Technical Library | 2020-01-09 00:00:30.0
PCBs have a wide range of applications in electronics where they are used for electric signal transfer. For a multilayer build-up, thin copper foils are alternated with epoxy-based prepregs and laminated to each other. Adhesion between copper and epoxy composites is achieved by technologies based on mechanical interlocking or chemical bonding, however for future development, the understanding of failure mechanisms between these materials is of high importance. In literature, various interfacial failures are reported which lead to adhesion loss between copper and epoxy resins. This review aims to give an overview on common coupling technologies and possible failure mechanisms. The information reviewed can in turn lead to the development of new strategies, enhancing the adhesion strength of copper/epoxy joints and, therefore, establishing a basis for future PCB manufacturing.
Industry Directory | Distributor / Manufacturer
AOI Vision is the specialized supplier of advanced materials and engineering solutions for SMT PCB screen printing industry. We team up with industry leaders who are equipped with cutting edge technology and innovative products.
New Equipment | Test Equipment
SMT Online AOI Machine ZW 810 Inspection Component: 0201 chip PCB size::25x25-480*330mm Dimension:900*950*1600 mm Weight: 650kg Product description: SMT Online AOI Machine ZW 810, Inspection Component: 0201 chip, PCB size::25x25-480*330mm, Di
