direct writing of conventional thick film inks using maple dw process
... JLMN- Journal of Laser Micro/Nanoengineering, Vol. 1, No. 1, 2006 Direct Writing of Conventional Thick Film Inks Using MAPLE- DW Process Edward C. KINZEL, Xianfan XU * , Brent ... viscous for the use of a wire or spin coater. The thickness of the ink layer can be controlled by using different sets of shims. Time histories of the MAPLE- DW event were ca...
Ngày tải lên: 06/05/2014, 08:53
... agglom- erate of 70 nm -thick nanowires as shown in the upper inset of Fig. 1(d). Using the cross section in the lower inset of Fig. 1(d), we calculated the surface-to-volume ratio of our wire to ... that of a smooth, cylindrical wire of the same thickness. However, if we consider the 350 nm wire consisting of strands of 70 nm wires, which is closer to what is shown in the...
Ngày tải lên: 06/05/2014, 08:54
... methods, the laser direct writing technique has the advantage of ease of fabrication of such a high-efficiency zone plate, eliminating complica- tions in multistep processes. Studies of direct laser ... screen. In femtosecond laser direct writing, both the change in index of refraction and the shape of the filament where change of index of refraction occurs are sensitiv...
Ngày tải lên: 06/05/2014, 08:55
gas sensing properties of wo3 doped rutile tio2 thick film at high operating temperature
... properties of the sensing film were affected by the WO 3 doping. Fig. 3 revealed that the sensing films consisted of al- most a single phase of rutile TiO 2 , while Fig. 4 revealed the (1 1 0) peak of ... permittivity of the semiconductor, and N d the volumetric density of the electron donors. From Eq. (2),we can know that the sensitivity of the sensor is dominated by the number...
Ngày tải lên: 19/03/2014, 16:48
beam propagation modeling of modified volume fresnel zone plates fabricated by femtosecond laser direct writing
... lens. A simple calculation using geo- metrical optics can determine the location of the focusing spot of the third beam. This location depends on the sepa- ration of the two FZPs. The Hankel ... double focusing. Thus, for a VFZP consisting of a larger number of FZP layers, focusing due to multiple diffractions is negligible. 5. VOLUME FRESNEL ZONE PLATE SIMULATIONS A major purpose...
Ngày tải lên: 06/05/2014, 08:53
laser sintering of thick film conductors for microelectronic applications
... microcircuits using conventional thick- film inks on substrates with damage thresholds below the firing temperature of the ink. This paper describes a detailed inves- tigation of the process of the laser ... INTRODUCTION The conventional process for fabricating thick- film mi- croelectronics is a mature technology. It consists of screen printing a pattern onto a substrate...
Ngày tải lên: 06/05/2014, 08:54
Cambridge.University.Press.Gender.Race.and.the.Writing.of.Empire.Public.Discourse.and.the.Boer.War.Sep.1999.pdf
... compilation of the power of some other very important symbols that were at work in support of imperialism – symbols of British masculinity, class structure, and patronage of ‘‘lower races.’’ Each of these ... events of the war in such detail that Haggard decided by the end of the war to give up the idea of writing a series of articles on South Africa for the Daily Expres...
Ngày tải lên: 21/09/2012, 10:54
DIRECT TREATMENT OF POLLUTED RIVER WATER BY THE MULTI-SOIL-LAYERING METHOD
... concentration of treated water, however, fluctuated rather than that of BOD, except that of MSL 1 and 3 which were loaded river water at the minimum rate of 1 m 3 m -2 day -1 . Pattern of fluctuation of ... experiments of high speed treatment at a hydraulic loading rate of 2 m 3 m -2 day -1 (Masunaga et al. 1998). The principle of MSL method was control and enhancement...
Ngày tải lên: 05/09/2013, 08:40
Short term generation scheduling of cascaded hydro electric system using time varying acceleration coefficients PSO
... of getting better solution are also superior in case of TVAC. Acknowledgment The authors gratefully acknowledge the support of Dr. R.P. Singh, Director Maulana Azad National Institute of ... k i X Position of particle i at k th iteration. k i V Velocity of particle i at k th iteration. _ ()Pbesti Best position of particle i until iteration k. _Gbest Best position...
Ngày tải lên: 05/09/2013, 15:28
Spectral analysis of total ozone column variability using TOMS data over Baghdad, Iraq
... chemically in a set of reactions that result in the formation of ozone [1, 2]. Total ozone is a measure of the number of ozone molecules between the ground surface and the top of the atmosphere. ... reduce the use of ozone depleting chemicals such as Carbone Tetrachloride (CCL 4 ), Chlorofluorocarbon (CFC) and Methyl Chloroform ( CH 3 CCL 3 ) and as a result, the rate of de...
Ngày tải lên: 05/09/2013, 15:28