A wooden crate has a self-supporting structure, with or without sheathing. For a wooden container to be a crate, all six of its sides must be put in place to result in the rated strength of the container. Crates are distinct from wooden boxes. The strength of a Wooden Box is rated based on the weight it can carry before the top (top, ends, and sides) is installed, whereas the strength of a crate is rated with the top in place. In general conversation, the term crate is sometimes used to denote a wooden box.
Although the definition of a wooden crate, as compared to a wooden box, is clear, construction of the two often results in a container that is not clearly a crate or a box. Both wooden crates and wooden boxes are constructed to contain unique items, the design of either a crate or box may use principles from both. In this case, the container will typically be defined by how the edges and corners of the container are constructed. If the sheathing (either plywood or lumber) can be removed, and a framed structure will remain standing, the container would likely be termed a crate. If removal of the sheathing results in no way of fastening the lumber around the edges of the container, the container would likely be termed a wooden box.
The so-called "electronic screen printing technology" refers to the new technology that is created through the combination of electronic information technology and screen printing technology with a long history. It is a special field in the screen printing industry. Its most prominent feature is the integration of screen printing technology with electronic information technology. Its products not only have the distinctive features of screen printing technology, but also have the distinctive features of electronic information technology. Because of its dual nature, electronic screen printing technology products have high technological content and high value-added returns. In short, electronic screen printing technology refers to the emerging modern screen printing technology with electronic information technology features formed by the combination of electronic information technology and screen printing technology.
Electronic screen printing products are like flowers, I believe the following examples of electronic screen printing products will make readers an eye-opener.
(1) Screen Printing/Wet Film Technology
Wet film (photoimageable resist plating ink coating) technology is a variety of high-precision high-density double-sided or multi-layer printed circuit board (PrintedCircuitBoard, printed circuit board, abbreviation: PCB) and SMT (SurfaceMountTechnology, surface assembly technology Or the abbreviation of surface mount technology, PCB is the first choice for image generation technology in flexible printed circuit board manufacturing technology. Wet film technology can produce fine lines up to 0.08mm or even finer.
(2) Screen printing/solder resist ink and screen printing/marker symbol coating technology in PCB manufacturing technology.
(3) Screen printing/silver paste or carbon paste through-hole in PCB manufacturing technology, PCB manufacturing technology.
(4) screen printing / carbon film PCB manufacturing technology.
(5) Suitable for conductive adhesive or conductive paste/screen printing technology in laminated multilayer board manufacturing technology in ultra-high performance electronic products.
(6) Screen printing embedded resistor manufacturing technology in multilayer PCB manufacturing technology.
(7) High-precision screen printing technology for solder paste/stencil high-accuracy screen printing technology in SMT technology and BGA (BallGrioArray, ball grid array packaging technology) in SMT technology.
(8) Screen printing technology in manufacturing technologies such as gratings (pans) or grids, encoders, etc. When the above products are manufactured, the production unit has easily obtained neat and well-proportioned fine lines and fineness of 0.012 mm. Distance, and has formed a mass production capacity.
(9) Large-scale integrated circuit frame screen printing technology and thick-film integrated circuit screen printing technology.
(10) Screen printing technology in touch screen manufacturing technology.
(11) Liquid crystal display (LCD)/screen printing technology.
1 Computer LCD monitor.
2 Screen Printing Technology in Mobile Phones, Business Communication, Electronic Dictionaries and Various Electronic Instrument Manufacturing Technologies
(12) Screen printing technology in the manufacture of solar cells.
(13) Screen printing technology in PTC main heating body manufacturing technology.
(14) Screen printing technology in disposable mobile phone manufacturing technology.
The magic of electronic screen printing technology lies in the application scope and service targets of the products. It only uses PCBs and membrane switches as examples. In large-scale parallel computer systems, on magnetic levitation trains, and on nuclear submarines “Changzheng No. 1â€, ballistics The missile submarine launches underwater launch vehicles; in the underwater robots and new guided missile destroyers, the application of PCB membrane switches designed and manufactured by the Chinese themselves proves to the world; the electronic screen printing technology active in high-tech fields and its applications Products have strong strength and good prospects.
The powerful countries and groups in the world are all concerned with electronic information technology and its industries. Super memory such as microelectronics, superconducting elements, super smart chips, self-propagating chips, terabit optical files in the field of optoelectronics, terabit optical communication elements, optical computer components. The advancement of any aspect of the ultra-parallel computer, artificial simulation system, self-reproducing database system required by bioelectronics, biosensors, bio-computers, information systems and equipment will affect the economic and even political nerves of various governments and groups. . When electronic screen printing technology and its products are tied to the economic nerves and even political nerves of various governments, do we have any reason to doubt the bright future of electronic screen printing technology?!
If we concretize the conclusion of the electronic screen printing technology that is derived from the economic development trend, we can also get the comparison of the output and output value of electronic information products in recent years. The printing technology has a very promising future. It is predicted that in 2005 China's LCD production can reach 2 million square meters per year. From the perspective of development, LCD display in the future is an inevitable trend. Moreover, the application of EL displays is also becoming wider and wider. It should be said that all electronic devices that need to be displayed will be LCD or EL. These will be a huge market for electronic screen printing technology.
The computer industry has already proposed "to enter the new era of LCD computers" (by the end of 2000, the global personal computer users have exceeded 500 million). The LCD, PC's PCB and computer keyboard circuits in computers are inseparable from electronic screen printing. In technology, the “cake†in the computer market has grown bigger and bigger. We have also seen the bright future of electronic screen printing technology.
EL technology has a wide range of applications, such as applications in the field of signage and badges. It is mainly used in backlighting of various liquid crystal modules and LCD backlighting in the field of backlights, and in the field of billboards. EL display technology and its huge commercial market are obviously a powerful "stimulus" for our screen printing practitioners. In summary, an electronic screen printing technology with a bright future is not alive and live in front of us now? 
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