Product Details
. . rr 'r '>At first glance, B-boards are similar on the surface regardless of their intrinsic quality. It is through the surface that we see the differences, and these differences are critical to the durability and functionality of B-board throughout its life.
: . . rr'r '>It is crucial that B-boards have reliable performance, both in the manufacturing assembly process and in actual use. In addition to the associated costs, defects during the assembly process may be introduced into the final product by the B-board, which may malfunction during actual use, leading to claims. Therefore, from this point of view, it is not an exaggeration to say that the cost of a high-quality B is negligible.
: . . rr'r '>The application of B board involves automobiles, power supply, medical treatment, industrial control, security and even military industry, etc., such as automobile engines and medical equipment , military industry and even aviation equipment. If the B board on these products fails, the consequences will be of great concern to individuals and the country.
: . . rr'r '>These aspects should be kept in mind when comparing B prices. While the initial cost of a reliable, guaranteed and long-lasting product is higher, it will be worth it in the long run.
: . . rr'r '>, Micron hole wall copper thickness
: . . rr'r ' > Benefits: Enhanced reliability, including improved shaft expansion resistance.
: . . rr'r '> Risks of not doing this: hole blowing or outgassing, electrical connectivity issues during assembly (inner layer separation, hole wall fracture), or may fail under load conditions during actual use. (the standard used by most factories) specifies % less copper plating.
: . . rr'r '>, no welding repair or broken wire repair
: . . rr' r '> Benefits: Perfect circuitry ensures reliability and safety, no repairs, no risks
: . . rr'r '> Risks of not doing this: If Improper repair can cause circuit board breakage. Even if repaired properly, there is a risk of failure under load conditions (vibration, etc.) and thus possible failure in actual use.
: . . rr'r '>、Cleanliness requirements exceeding specifications
: . . rr'r ' >Benefits: Improving B cleanliness can improve reliability
: . . rr'r '> Risks of not doing this: residue and solder accumulation on the circuit board will cause Solder masks pose risks, with ionic residues causing corrosion and contamination risks on the soldering surface, which can lead to reliability issues (electrical failure of bad solder joints) and ultimately increase the chance of actual failure.
: . . rr'r '>, copper-clad laminate tolerance meets B requirements
: . . rr'r ' > Benefit: Strict control of dielectric layer thickness can reduce deviations from expected electrical performance.
: . . rr'r '> The risk of not doing this: the electrical performance may not meet the specified requirements, and the output performance of the same batch of components will be greatly different.
: . . rr'r '>, define solder mask materials to ensure compliance with requirements
: . . rr' r '>Benefits: Achieve ink safety and ensure that the solder mask ink meets standards.
: . . rr'r '>Risks of not doing this: Poor quality inks can cause adhesion, flux resistance and hardness issues. All of these problems can cause the solder mask to detach from the circuit board and ultimately lead to corrosion of the copper circuit. Poor insulation properties can cause short circuits due to accidental electrical continuity arcing.
: . . rr'r '>, defining tolerances on shapes, holes, and other mechanical features
: . . rr'r '> Benefits: Strictly controlling tolerances can improve the dimensional quality of the product and improve fit, appearance and function
: . . rr'r '> Risks of not doing so : Issues during assembly, such as alignment fit (problems with the press-fit pins are only discovered when assembly is complete). In addition, due to the increased dimensional deviation, there will also be problems with fitting into the base.
: . . rr'r '>, specify solder mask thickness
: . . rr'r '> Benefits: Improved electrical insulation properties, reduced risk of peeling or loss of adhesion, enhanced resistance to mechanical impact wherever it occurs!
: . . rr'r '>Risks of not doing this: Thin solder mask can cause adhesion, flux resistance and hardness issues. All of these problems can cause the solder mask to detach from the circuit board and ultimately lead to corrosion of the copper circuit. Poor insulation properties due to the thin solder mask layer can cause short circuits due to accidental arcing.
: . . rr'r '>, defining appearance requirements and repair requirements
: . . rr'r ' > Benefits: Safety is built with care and attention during manufacturing.
: . . rr'r '> Risks of not doing this: multiple scrapes, minor damage, patching and repairs A functional but ugly circuit board. In addition to the problems that can be seen on the surface, what are the invisible risks, the impact on assembly, and the risks in actual use?
: . . rr'r '>, requirements for plug hole depth
: . . rr'r ' > Benefit: High-quality plug holes will reduce the risk of failure during assembly.
: . . rr'r '> Risks of not doing this: Chemical residues from the immersion gold process may remain in holes with insufficient plug holes, causing problems such as solderability. question. Moreover, there may be tin beads hidden in the holes. During assembly or actual use, the tin beads may splash out and cause a short circuit.
: . . rr'r '>
: . . rr 'r '>Zhongtian Yuan Circuit Board Co., Ltd. is a high-tech enterprise in Zhengzhou specializing in the R&D, production and processing of B circuit boards and aluminum substrates.
: . . rr'r '>B Many companies and individuals on the Internet for circuit board proofing and circuit board processing and production have chosen Zhongyiyuan
<: . . rr'r ': > >
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