Introducing the implementation technology of printed circuit boards! Measures against poor solder wetting during assembly.
At Sato-Sen Co., Ltd., we are implementing pattern designs that are easy to assemble at the design stage as a measure to improve yield in general printed circuit board assembly. Additionally, to enhance yield in flip chip assembly, we are forming dams using film solder resist, which is effective in preventing solder shorts at C4 and ensuring package parallelism. [Factors Contributing to Poor Solder Wetting] - The increase in alloy layers with lead-free solder, and the presence of black pads due to the nickel layer in flash gold plating are considered potential causes. ⇒ In lead-free solder, managing the composition and temperature of the solder bath is crucial. ⇒ For flash gold plating, proper management of the pre-treatment and nickel bath solution is essential. For more details, please contact us.
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basic information
【Product Overview】 ○ Ultra-rapid Prototyping → Capable of ultra-short lead time prototyping ○ Pattern Design → Designs considering characteristics, functions, and implementation by skilled designers → High-difficulty analog circuit board design and meticulous support ○ Types of Printed Circuit Boards → Single-sided, double-sided, multilayer, build-up, and special materials available ○ Types of Materials and Surface Treatments Used → High Tg, low dielectric constant materials, high elasticity materials, heat dissipation materials, etc. → Electrolytic bonding gold plating, electroless NiPdAu, etc. ● For more details, please contact us.
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Company information
Sato-sen Co., Ltd. provides high-quality printed circuit boards that meet the increasing demands for high functionality and high precision, by proposing solutions to the concerns and problems of those involved in design, development, technology, and purchasing. Sato-sen offers customized, high-quality products and services tailored to various customer needs. As a partner company for our customers, Sato-sen delivers high added value throughout all processes, from design and development to production and delivery. Furthermore, by thoroughly adhering to a customer-first principle, we provide high-quality products and services with flexible and meticulous responsiveness, ensuring that customers receive what they want, when they want it.
