Archive for September, 2010
September 30th, 2010 | 
Author: Discrete Components: Automotive and lighting highlights the importance of market expansion package
However, Chen Haoping also pointed out that technology is one of the factors of production, but also a means to meet the demand, so we can not in isolation from the market and talk of technology, China’s semiconductor companies attach importance to R & D, while the market can not be ignored needs. Tianjin Central In addition to maintaining the existing products in the market ahead of the competition status, will also use new chip production line, dedicated to VDMOS (vertical double diffusion MOS device), IGBT and other power semiconductor devices in the field of R & D and production.
Tang Xuemin believes that technological upgrading is a gradual and systematic project, can not expect overnight catch up with international manufacturers, how to upgrade existing technology based on the level of product quality and improve product consistency is the work of discrete manufacturers focus. Silan 2003, the first chip production line put into production after the 2004 R & D semiconductor discrete devices, has launched switching diodes, zener diodes, Schottky tube, high and low voltage of the VDMOS power transistors, Transient Voltage suppression diode (TVS), ESD protection tube and fast recovery diodes, has gradually developed into discrete product categories provide the largest and most complete provider of chip. At present, Hangzhou Silan Microelectronics has process development and quality control capabilities to the leading level, in particular the mass production of high brightness, 2006 Blue green LED chips, in 2007, has been leaps and bounds.
Device packaging technology to enhance the quality of progress
Discrete device packaging technology is one of the areas of innovation. As chip technology continues to make progress in greatly reduced die area, the challenges facing the packaging further prominent. At the same time, reducing the die area of the cooling device was also put forward higher requirements.
For example, the normal SMD (surface mount device) package Lead mostly poked around to the side or were “crab claw”-shaped and occupy a certain space, and QFN (quad flat pack) package all the hidden parts of welding electrodes QFN quad flat with plastic in its body at the bottom, not the slightest sudden disclosure and leads, therefore, QFN plastic body geometry package also provides for the Department of resin and the electrode. Compared with SMD, QFN assembly of space occupied by smaller, can increase the density per unit volume device assembly, and to save PCB board space for more. Heat capacity for the device the new challenges facing, QFN package, the use of high-density public electrodes just below the characteristics of the chip to make more effective cooling.
General chip diode array 1 * 5 the typical volume of 2.9mm × 2.8mm × 1.1mm (5 tube), while solid Tc Electronic Co., Ltd. Suzhou developed QFN1 * 5 diode array size can be reduced to 1.6mm × 1.6mm × 0.75mm (5 tube), its volume is 21.5% of the former, and no external leads, thereby greatly improving the accuracy and reliability of installation. The device can be used in notebook computers, CPU circuit, micro mobile communications circuit (cell phones), digital audio and video circuitry, communications machine, digital cameras and other consumer electronics in the field of ultra large scale integrated circuits, as connected to the input of the anti-static and Instantaneous current, voltage diode array chip is a leadless package devices. Relative to the average SMD chip 1 * five diode arrays, the size of the product or in terms of reliability, have made tremendous progress.
Posted in 16mm Cameras | 
Tags: Automotive, Components, Discrete, expansion, highlights, Importance, lighting, Market, package | 
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Kodak Pageant 250S 16mm projector demonstration
I had wanted a Kodak Pageant projector for so long and finally found one at a school auction. This is a 70′s or 80′s model which has the quartz halogen lamp. I had thought the sound was not working but it seems to be OK. I did a video of the thread-up process but the camera angle was bad so I’ll have to attempt that another time. southjk borrowed this projector for a while and he replaced the orignal Pageant switch with a new one as the original was having some kind of a problem.
Posted in 16mm Projectors |
Tags: 16mm, 250S, demonstration, kodak, Pageant, projector |
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