Monthly Archives: June 2016

LED Sapphire rods prices rebound

OFweek semiconductor lighting network news this year early Sapphire Crystal Rod 2 inch products each mm quotes once fell to 2.8 dollars, capacity economic scale insufficient of manufacturers for not enough cost and have exit, with LED City condition improved, plus other application field increased, crystal rod 2nd quarter quotes began rallied, July quotes more breath jumped rose to 3.8 dollars, currently Taiwan maximum factory for more peak its of Taiwan concentrated electric, operating performance is expected to jumped rose.

Sapphire ingot LED is the most upstream raw material, manufacturers take after a long crystal ingot, slicing to the base plate plant, and finally LED to produce grain grain plant. But now grain prices fell hard up for substrate acceptance of the price is very low, base plate including signs far, Gemmy, Golden grain drill, pass on raw material price rises, prices cannot be effective cost, operational performance test.
Solid Sapphire substrate factory supply

Legal persons pointed out that Sapphire ingot factory in the world at present there are 4 main, where market share is highest in Russia of Monocrystal, Korea STC, United States Rubincon 3rd Taiwan owned by Acme concentrating power 4th hit in mainland China to catch up. It is understood that the highest July price increases were concentrated power, monthly price rise 20%,Rubincon rise 15%, Monocrystal and hit rise 10% respectively.
Spotlight: no expansion
Although cost difficult to pass, but LED grain factory orders continued to come in, Sapphire substrate manufacturers must spare no effort to consolidate supplies. It is understood that the International Optoelectronic exhibition in Taipei a few days ago, Russia Monocrystal executives also came to Taiwan, the major substrate factory have also called on the hope that a stable supply, but also jointly and severally liable to pull prices higher, ingot growth established.
Sapphire ingot market, Acme spokesman Zhang Shengchuan, downstream demand rebound ingot price there is better than it was before, now concentrating power single-month production capacity remains at 45~50 mm, currently there are no expansion plans, capacity utilization and prices not be released.
Sapphire substrate factory xinjing drilling spokesman Li Jizhen said, ingot 3rd quarter of quotations does significantly increase, because the LED on the one hand includes backlight and lighting requirements grow, sapphires have been added other applications, including use in a handheld device, a major supplier of capacity have been booked.
Base plate plan Q3 rose
Wafer current monthly capacity of about 100,000 mm, mainly for personal use, of self-sufficiency about CK. Companies say there are still cheap stocks, so the price impact should be limited in the short term. Base plate plant also plans to raise prices in the 3rd quarter, but manufacturers also said prices also depend on customer acceptance, especially wafer substrate cost is about 50%, and passing is very difficult.

Source: http://www.ch-microtek.com/

Sapphire Rods suppliers of electronic parts needs or blowout growth stocks rose and Sapphire product description and typical application of round bars

Demand for electronic components, or “blowout” growth

Sapphire ingot supplier shares “radiant”
Market research firm IHS 14th a report expected to be released, thanks to the use of Sapphire substrates in electronics hardware rose this year for the manufacture of substrates of 2-inch-diameter Sapphire wafer (Sapphire ingots) consumption will grow 70%, 54-kilometer, estimated that by 2016 annual consumption will be further increased to 84-kilometer in 2012, representing a growth of 166%.

Industry analysts point out that, in parallel with the growth in demand for LED, Smartphone market demand for Sapphire substrates is also achieved strong growth, ease the excess supply over the past several years to Sapphire ingot market obstacles. By 2014, for the production of smartphones and other mobile devices part Sapphire ingot demand total demand ratio rose to 20% from 5% last year. Stimulated by increased demand for sapphires, overseas suppliers stock price rise so far this year.
Growth in demand of “dual drive”
Sapphire ingot is aluminium oxide crystal, mainly used in the production of Sapphire substrates and Sapphire substrate is required for LED lighting substrate base materials, requirements are substantial. IHS reports show 2012 LED market demand accounted for 90% of Sapphire ingot full demand.
Now Sapphire ingot face a growth in demand of the engine. IHS report said current smartphone makers, including Apple are Sapphire ingot used for camera lenses and Home keys (Home) button, this drive Sapphire rapid demand growth.
Son and of the global smart-phone giants such as LG.
1. product description

Sapphire as a product of nature’s hardness is second only to Diamond, and it also has excellent optical and physical properties. So sapphires are often used in special needs on the device and harsh work environments. Sapphire material has the following main features.
①. Sapphire Crystal has a good transmission performance, its light transmittance in the range of 0.15~7.5 μm, covered in the ultraviolet, visible, near-infrared, the infrared band.
II. its expansion coefficient of only 5×10-6/, the melting point of 2050, operating temperatures up to 1900, has excellent resistance to heat shock and high temperature performance.
③. have good mechanical properties, the hardness of Ta Mok’s 9, and also has good compressive strength, compressive strength and flexural strength.
II. it has a very good package, can keep closure system in high vacuum condition, even hot and cold shock does not have any leakage.
II. it has good radiation resistance and electrical insulation properties.
Sapphire has good wear resistance and can process high surface quality, our company can provide surface finish up to S/D40~20 Sapphire rod.
2. typical applications:
①. laser-guided.
II. the piston rod
③. insulators
II. main shaft

Source: http://www.ch-microtek.com/

Sapphire-Rod method of ultrasonic vibration grinding

This invention provides a method of ultrasonic vibration grinding of Sapphire rod. Sapphire artifacts blank directed Hou will Shang, and Xia surface mill flat, with wax rubber bond in electric wood Shang, again will electric wood fixed in machine work stage; open ultrasonic, in 17kHz-23kHz Zhijian regulation ultrasonic frequency, makes its in resonance State; open cooling liquid, used within cooling and outside cooling mixed way on artifacts for cooling; for Ultrasound vibration grinding processing; processing completed Hou, will Sapphire artifacts together with electric wood with put in furnace Shang, heating to 115 ℃-125 ℃, Sapphire artifacts removed from the wood, which are 20-140mm in diameter, Sapphire rods of length 50-150mm. The invention has a surface are of good quality, low cost, has a broad prospect, can create significant social and economic benefits.

Sapphire-Rod method of ultrasonic vibration grinding

(A) the technical field of the invention belongs to a material processing method, specifically using ultrasonic vibration grinding method.
(B) background currently, Sapphire rods, mainly through the thin-walled diamond grinding together. Due to the high hardness of Sapphire materials, processing when Sapphire Rod using this method, not only the efficiency is very low, grinding wheels easy to plug, and wear of the grinding wheel, need regular repair and replacement grinding wheels and poor surface roughness, need more subsequent polishing time. Thus this long production period, the cost is high enough, can no longer meet the requirements of modern production.
(C) the purpose of the invention the present invention is to provide a way to improve the surface quality and shorten production cycles, increase productivity, reduce production cost method of ultrasonic vibration grinding of Sapphire rod.
This invention of purpose is such achieved of: 1, and Sapphire artifacts blank directed Hou will Shang, and Xia surface mill flat, with wax rubber bond in electric wood Shang, again will electric wood fixed in machine work stage; 2, and open ultrasonic, in 17kHz-23kHz Zhijian regulation ultrasonic frequency, makes its in resonance State; 3, and open cooling liquid, used within cooling and outside cooling mixed way on artifacts for cooling; 4, and used grain degrees for 80-230#, and diameter for 20-140mm, and length for 50-150mm, and Wall thickness of hollow, thin-walled 0.6-1.5mm electroplated or sintered diamond tools with 800-4000r/min speed and feed along the z axis at a 2-5mm/min rate and fallback arrangement tool: the tool after each feeding 0.02mm, back 0.01mm at a 4-10MM/min rate, feed 0.2-2mm, 1000-3000mm/min back to the surface at a speed of more than 2mm, Then tool again to 1000-3000mm/min of speed into to to back back Qian location above 0.01mm continues to repeat above processing action, until processing completed, used cooling and outside cooling mixed way on artifacts for cooling; 5, and processing completed Hou, will Sapphire artifacts together with electric wood with put in furnace Shang, heating to 115 ℃-125 ℃, will Sapphire artifacts from electric wood Shang removed, which get diameter for 20-140mm, and length for 50-150mm of Sapphire Rod material.
The invention can include a number of features: 1, the wax adhesives is compounded by the following quality percentage: chips: 20%-40%, Rosin: 20%-30%, calcium carbonate, 20%-55%, 5%-10% castor oil.
2, the cooling is directly from a hollow diamond tool on the workpiece, the cooling is through the nozzle adjust the pouring position, coolant wall Jet along the diamond tools in the tool bottom workpiece.

The invention is installed in the spindle NC drilling machine using ultrasonic vibration grinding tools, hollow thin-walled diamond tools rotating at high speed at the same time, with a certain frequency and amplitude of ultrasonic vibration processing along the z axis. The invention of ultrasonic vibration grinding of Sapphire rods, is a combination of Ultrasonic machining and grinding compound machining method, the beneficial effects of the invention: using ultrasonic vibration grinding method, that is combination of Ultrasonic machining and grinding, efficiently create low cost, high quality Sapphire rods. And existing technology phase compared, this invention of main advantage is production efficiency high, than General grinding method efficiency about improve 5 times times; processing surface quality good, surface rough degrees can up Ra0.3-0.9 μ m; processing cost low, while is due to reduced has tool loss, extended has tool using life (than General grinding method about increased 10 times times), on the is due to processing surface quality good, shortened has follow-up of grinding polishing time. Therefore, the technology has broad application prospects, can create significant social and economic benefits.
(D) the specific implementations for example of the invention is described in more detail below: the specific way of implementing a: 1, Sapphire blanks the workpiece redirected the upper and lower surfaces smooth, use a wax adhesive on the bakelite, wood fixed to the machine table. Seal adhesive compounded percentage according to the following quality: chips: 20%-40%, Rosin: 20%-30%, calcium carbonate, 20%-55%, castor oil, 5%-10%;2, open, ultrasonic, 17kHz-23kHz between the ultrasonic frequency, so that it is in resonance State; 3, coolant supply method of internal cooling and cold are two ways; 4, programming and processing. Used grain degrees for 230#, and diameter for 20mm, and length for 50mm, and wall thick for 0.6mm of hollow thin-walled plating gold steel stone tool to 4000r/min speed rotating, while to 5mm/min of speed along z axis into to, and arrangements tool back back action: that tool each into to 0.02mm Hou, to 10MM/min of speed back back 0.01mm, tool each into to 0.5mm, to 800mm/min of speed back back to artifacts surface above 2mm, Then tool feed at 800mm/min speed to fall back position before 0.01mm continue to repeat the above process until finished; 5, after the processing is complete, Sapphire artifacts along with bakelite in the electric arc furnace, heated to 120 ℃, Sapphire artifacts can be removed from the bakelite, obtained 20mm diameter, length of 50mm Sapphire bar. Sapphire Rod surface roughness up to Ra0.3 μg of m,C-axis accuracy ± 0.05.

Source: http://www.ch-microtek.com/

Sapphire tube application

1. semiconductor processing

Sapphire in the semiconductor processing industry than quartz, ceramic, and silicon carbide properties superior to Sapphire tube applications include:
Plasma tube
Process gas ejector
Thermocouple components
2. measurement and analysis
Sapphire tubes can be used in a variety of analytical instruments, including:
NMR spectroscopy

Fiber-optic temperature measurement
Online oil analysis
Mass spectrometry analysis
Biological and chemical analysis of samples
Test and analysis of optical communications
3. lighting
Sapphire tube, can be transparent to visible light, infrared, or ultraviolet light, often used in ultra high temperature under high pressure, including:
Infrared countermeasures
Ultraviolet sterilization
Flash
High brightness lamp
Sapphire characteristics
Chemical composition: Al2O3 ceramics: a-Al2O3
Melting point: 2050 ° c boiling point: 3,500 ° c maximum operating temperature for a long time: 2000 c
Hardness: Mohs 9 wear coefficient-1.5 (comparison of steel)
Refractive index (sodium d line) birefringence No=1.768 Ne=1.760
Infrared transmittance: infrared transmittance 3~5 μ m band >85%

Source: http://www.ch-microtek.com/

Description and usage of Sapphire tube

Introductions:

Very high transparency of single crystal Sapphire tubes (is the slow growth of single crystal, non-crystalline, non-machined into nor
High-temperature sintering of alumina powder)
Sapphire tube
1. semiconductor processing
Sapphire in the semiconductor processing industry than quartz, ceramic, and silicon carbide properties superior to Sapphire tube applications include:
Plasma tube

Process gas ejector
Thermocouple components
2. measurement and analysis
Sapphire tubes can be used in a variety of analytical instruments, including:
NMR spectroscopy
Fiber-optic temperature measurement
Online oil analysis
Mass spectrometry analysis
Biological and chemical analysis of samples
Test and analysis of optical communications
3. lighting
Sapphire tube, can be transparent to visible light, infrared, or ultraviolet light, often used in ultra high temperature under high pressure, including:
Infrared countermeasures
Ultraviolet sterilization
Flash
High brightness lamp

Source: http://www.ch-microtek.com/