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2015年5月7日星期四

What Are Printed Circuit Boards Used for?

In the early days of electronics, when vacuum tubes were king,
all of the various components that made up an electronic device were connected together by soldering them either to each other or to terminal strips and tube sockets. Today, printed circuit boards have made connecting components simpler and cheaper.
What Are PCBs?

Printed circuit boards (PCBs) are thin boards made from an insulating material, with a metal coated surface, sometimes on both the top and bottom. Etches are made in the metal with acid to create pathways for electricity to travel among various components which are surface mounted on the board with solder.

PCB Advantages

The invention of printed circuit boards is one of the factors that has enabled electronic circuits to be smaller, more compact, and contained on a convenient, rugged board. Holes drilled into circuit boards allow components such as resistors and capacitors to be inserted and soldered through automation.

PCBs Are Everywhere

Today, just about every electronic appliance in your home contains a printed circuit board of some type: computers, printers, televisions, stereos, musical instrument amplifiers and synthesizers, digital clocks, microwave ovens, telephone answering machines and even cell phones.

PCBs In Computers

The "motherboard" in a computer is the main printed circuit board that is the heart of a computer. Other circuit boards inside a computer performs functions such as RAM (random access memory), power supplies, modems and video "cards."

The Works in a Drawer

Motorola's Quasar TVs were among the first to use removable printed circuit boards, designed for quick in-home repair.

2015年5月5日星期二

Flex PCB - What is Flex PCB

Flexible PCB and the birth and development of the PCB, Rigid-Flex PCB gave birth to this new product. Therefore, Flex PCB is flexible circuit board and rigid circuit boards, after lamination processes, according to the relevant process requirements together, forming characteristics have FPC PCB board characteristics.

1.Flex PCB - Production Process:

Because Flex PCB is a combination of FPC and the PCB, Flex PCB production should also have the FPC PCB production equipment and production equipment. First, the combination of soft board electronics engineer to draw a line and shape according to demand, then, can be issued to the Flex PCB production plant, through CAM engineers relevant documents for processing, planning, and then arrange FPC production line production need FPC, PCB production line to produce PCB, after these two soft board and hard board out, according to the planning requirements for electronic engineers, the FPC and PCB through seamless lamination lamination machine, and then through a series of detailed links, ultimately process the Flex PCB. A very important aspect should Flex PCB difficult, more details before shipping, are generally required to conduct the inspection, its value is relatively high, so as not to let the supply and demand sides related loss of interest.

2. Flex PCB - Advantages and Disadvantages:

Advantages: FPC Flex PCB along with features and characteristics of the PCB, so it can be used in some special requirements of the product among the region has some flexibility, but also have a certain rigidity region of the internal space-saving products reduce the volume of the finished product, improve product performance is very helpful.

Cons: Flex PCB production process many, difficult to produce low yields, cast materials, manpower more, so its price is more expensive, relatively long production cycle.

3. Flex PCB - Related Applications
Flex PCB's characteristics determine its application in all areas covered by FPC PCB applications, such as:

1.Mobile telephone

2.Keypad and side buttons, etc.

3.Computer and the LCD screen
Such as motherboards and display
a.CD Walkman
b.Drives
c.NOTEBOOK.

4. New Uses
Components of a hard disk drive (HDD, hard disk drive) suspension circuit and xe packaging board, etc.

2015年4月23日星期四

Worldwide Semiconductor Sales Expected to Reach $358 Billion in 2015

Worldwide semiconductor revenue is forecast to reach $358 billion in 2015, a 5.4 percent increase from 2014, but down from the previous quarter's forecast of 5.8 percent growth, according to Gartner, Inc. The market is being driven by strong growth in application-specific standard products (ASSPs) in smartphones, along with DRAM and NAND flash in ultramobiles and solid-state drives (SSDs).

"Semiconductor revenue growth in 2015 is expected to slow from the 7.9 percent growth experienced in 2014 as DRAM returns to more traditional price reductions and the industry burns off excess holiday inventory," said Jon Erensen, research director of Gartner. "DRAM pricing was unusually firm in 2014 due to short supply, which propelled DRAM to be the fastest-growing device type in 2014 with 31.7 percent revenue growth. DRAM supply and demand will be in line in 2015, driving bit pricing down a more traditional 16.8 percent and reducing annual DRAM revenue growth to 7.7 percent."

From an application point of view, smartphones, SSDs and ultramobiles will see the largest dollar increases. In 2015, compute applications will continue to be the largest market for semiconductors, followed by wireless and consumer applications. Combined, these three device categories represent more than two-thirds of total semiconductor revenue and have the most influence on the overall strength of the semiconductor market.

However, in 2015, the industrial electronics segment is expected to outperform overall semiconductor market growth and other electronic application categories with revenue growth of 9.1 percent. The growth will be driven mainly by LED lighting applications for industrial and residential purposes and smart city projects. In addition, the Internet of Things (IoT) will continue to drive very strong unit growth in 2015 and beyond.

Following industrial applications, wireless applications — driven mainly by mobile phones — will be the next biggest growth market for semiconductors in 2015. However, the 2015 revenue growth forecast for wireless applications, and specifically mobile phones, remains the same as the previous quarter's forecast.

"While mobile phone semiconductor sales will remain robust, driven by the accelerating shift to smartphones and 4G Long Term Evolution, there is concern that weak sell-through for other electronic equipment categories will result in higher inventory levels and drag down semiconductor sales in the first quarter of 2015," said Mr. Erensen.

2015年4月22日星期三

Global And China FPCB Industry Report, 2014

In 2013, flexible PCB board industry enjoyed a high-speed growth with the market size approximating USD12.03 billion, up 16.2% from the level in 2012. The South Korean vendors developed rapidly and were excessively upbeat about the industry’s outlook, aggressively expanding capacity starting from the very beginning of 2012. As a result, most of new capacity was available in Q2 2013. However, the FPCB companies in South Korea without diversified customers, were heavily dependent on the key accounts such as Samsung and LG, thus making them less competitive during negotiations. Therefore, these vendors cut the prices steeply in Q4 2013, sending them into price war.

In 2014, price decline continued to deteriorate, which led to a sharp fall in revenue of South Korean vendors. The implications of high-speed capacity expansion are high fixed costs, which would thus result in a plunge in profit margin. It is projected that the revenue of INTERFLEX, a leading South Korean FPCB company, would tumble by 50%, and its operating margin would record a 27% loss in 2014 in contrast to no-profit-no-loss in 2013. Additionally, affected by the order shift of Apple, the company has hardly received any orders from Apple in 2014.

Another pressure for the vendors in South Korea came from the depreciated yen, and the won appreciated against the yen. However, the Japanese products have better performance; coupled with the reduced prices bought on by yen depreciation, they are more competitive.

Apple shortened the supply chain, giving more of its orders to the vendors in Taiwan, which resulted in a fall in revenue of M-Flex, at an estimated 20% drop in 2014. And as the losses expand, M-Flex’s operating margin is expected to slip from -8.4% in 2013 to -11.8%.

Despite a substantial decline in revenue of the South Korean vendors, the biggest customer of FPCB market—Apple did not bring down the purchase price. Meanwhile, the new iPhones have bigger size and therefore need more FPCBs. Consequently, the vendors in Taiwan and Japan saw a big increase in revenue, thereby filling in the vacuum. We predict that in 2014 the market size of FPCB worldwide reached USD12.608 billion, up 4.8% from 2013.

Of the Taiwanese vendors, ZDT generated the most revenue. ZDT under Hon Hai obtained more of the orders from Apple. It is forecasted that its revenue will jump by 55% to USD1.518 billion in 2014, overtaking Japan’s SEI as the world's second. In contrast, the world’s first NOK reduced the capacity in Japan, instead expanded the capacity in Thailand and Mainland China, which helped not only substantially increase its revenue but also rapidly turn out of red. At the same time, the global HDD market tends to be stable, with the shipments rising mildly from 2013. The HDD for FPCB is the main product of NOK, an Apple's leading supplier.

We project that in 2015 smartphones will present a slowing growth, tablet PCs will begin to decline, notebook computers will grow slightly or be flat. Moreover, LCD-TVs are expected to grow by a small margin. And wearable devices are very likely to rise significantly, but its application of FPCB is too small to fuel the market. In 2015, it is more than likely that LCD-TV will be the mainstay to drive the market. And after 6-8 years of popularization, LCD-TV is expected to undergo a boom of TV set replacement. And consumers will choose 4K TV with higher resolution or change the original smaller 32-37 inch television to 40-42 inch television.

We expect that it will be very hard for the South Korean vendors to reverse the downtrend when Samsung’s mobile phone shipments slow down and its LCD shipments are falling with losses. It is more likely that the South Korean vendors will suffer collapse, while the companies from Japan and China’s Taiwan will benefit from it, especially Japanese ones that had improved the competitiveness after the repeated depreciation of yen.

2015年4月16日星期四

SUPO INDUSTRIAL CO., LIMITED

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Our culture is based on a long-lasting commitment to customer satisfaction. We are determined to produce the most advanced products with absolutely the lowest rate of return for every customer to receive the quality, performance and dependability they deserve.
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