What are the 3 types of PCB?
PCB circuit board is a necessary circuit board for equipment and electrical appliances, and it is also a necessary carrier for the realization of Rigid-Flex Board. Different devices have different PCB materials. For Rigid Printed Circuit Board (RPCB), there are many According to the PCB board reinforcement materials, it is generally divided into the following types:
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1. Phenolic PCB paper substrate
Because this kind of PCB board is composed of paper pulp, wood pulp, etc., it sometimes becomes cardboard, V0 board, flame-retardant board and 94HB, etc. Its main material is wood pulp fiber paper, which is a kind of PCB synthesized by phenolic resin pressure. plate.
This kind of paper substrate is not fireproof, can be punched, has low cost, low price, and low relative density. We often see phenolic paper substrates such as XPC, FR-1, FR-2, FE-3, etc. The 94V0 belongs to Flame Resistant PCB and is fireproof.
This kind of powder board is also called powder board, with wood pulp fiber paper or cotton pulp fiber paper as reinforcement material, and glass fiber cloth as surface reinforcement material at the same time. The two materials are made of flame-retardant epoxy resin. There are single-sided half-glass fiber 22F, CEM-1 and double-sided half-glass fiber board CEM-3, among which CEM-1 and CEM-3 are the most common composite base copper clad laminates.
Sometimes it also becomes epoxy board, fiberglass board, Ro4350B+FR4 Hybrid Board, fiberboard, etc. It uses epoxy resin as adhesive and glass fiber cloth as reinforcement material. This kind of circuit board has a high working temperature and is not affected by the environment. This kind of board is often used in double-sided PCB, but the price is more expensive than the composite PCB substrate, and the common thickness is 1.6MM. This kind of substrate is suitable for various power supply boards, high frequency boards, and is widely used in computers, peripheral equipment, and communication equipment.
4. Other substrates
In addition to the three frequently seen above, there are also Metal Core PCB ( MCPCB ) and build-up multilayer board (BUM).
What does the high-end product of Hisense TV contribute?
The term "competitive competition" is not too much to describe China's color TV market. One company has occupied the top spot in China's color TV industry for 14 consecutive years. This is itself a phenomenon-level event worth studying. Recently, China Yikang released statistics on monthly statistics of China's color TV market in January 2017. Hisense's TV retail sales and retail sales reached 16.7% and 17.7%, respectively, both of which accounted for the highest sales volume and sales share in China's color TV market. One. Among them, the sales share exceeds the sales volume, indicating that the high-end strategy has achieved initial results. What did the high-end products of Hisense TV's "14 consecutive years in the country" contribute?
2. Composite PCB substrate
3. Glass fiber PCB substrate
It is worth noting that many times we will see the two letters KB printed on the circuit board. This is the abbreviation of the PCB board of Kingboard. In addition to Kingboard, there are Shengyi SL, Taiyao TUC, Guoji GDM, Changchun L, Changxing EC, Hitachi H, etc.
More data than sales and sales “double crown†is the strong performance of Hisense high-end TV in the Chinese market. According to the latest data from Zhong Yikang, in January this year, Hisense’s retail share in the high-end market above 55 inches reached 17.90%, continuing to lead Samsung, which surpassed Samsung's 3.24 percentage points; Hisense’s laser TVs accounted for over 85 inches of large screen market. The rate is as high as 53.21%, making it the absolute overlord of large-screen TVs. This means that one of the two large-screen TVs on the market is Hisense Laser TV. At the crossroads of China's color TV industry facing technological transformation and focusing on the next-generation display technology, this group of data undoubtedly injected more confidence into Hisense, which adhered to the “high-end†and “boutique†route.
What did the high-end products of Hisense TV's "14 consecutive years in the country" contribute?
In addition to introducing ultra-high-definition TVs with outstanding picture quality, Hisense has adopted laser-based laser imaging technology as a weapon to snatch the super-large-screen TV market. In July 2016, Hisense announced the world's first ultra-short-focus 4K laser television with the dlp scheme in China and France, leading the ultra-short-focus laser display technology into the 4K era. In January 2017, the general manager of Hisense Electric, Hu Jianyong, revealed to the media that Hisense's laser TV will fully enter the 4K era in 2017, and the products will cover 88, 100, 120, and 140 inches, and expand 70, 65 downwards. Inch products accelerate the popularity of laser televisions. At present, Hisense Laser TV has used 217 core patented technologies and won ces awards twice. Its 5.1 sound surround sound equipment, eye protection function that is more than 20% comfortable reading, super design and installation of super-standard service standards Making Hisense Laser TV has more differentiated selling points.
If you do not want to make a summary, in Hisense's “14 years in a row for the first time in China†report, high-end televisions represented by laser television not only contributed a considerable amount of market share, but also heralded the excellence of Hisense TV. The "high-end" strategy has enabled capital and old Japanese and South Korean companies to "broad-street street warfare," leading to display technology upgrades, providing users with more perfect experiences in intelligent interaction and video services, thereby consolidating and enhancing the status of the industry. According to the latest data from Wutsview, a well-known data research company, among the top five global TV brands in 2016, Hisense ranked among the top three and became the only brand that achieved significant growth among Samsung, LG, Hisense, tcl and Sony.
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