Desarrollo de las estrategias metodológicas
Top PDF Desarrollo de las estrategias metodológicas:
A Novel Integrated High Precision Vacuum Microelectronic Accelerometer
... of field emission, the accelerometer consists of sensitive structure and interface ...a cathode cone tips array, a folded beam, an emitter electrode and a feedback ...tips array of ...
Novel Low Temperature Cofired Ceramic Manufacturing Techniques for a Magnetron Field Emission Cathode
... Magnetrons are widely used for numerous applications because of their high efficiency and low cost. Because of important applications such as space solar power stations, electronic warfare, and high-power transmitters, ...
Cavanaugh_unc_0153D_15871.pdf
... For field emission a large negative potential is typically required to generate the requisite electric ...Many field emitters are designed to be operated at high vacuum (< 10 -6 Torr), and can ...
A field emission transistor array for writing applications
... List Of Figures 2.1: MOS capacitor 2.2: Storage basic and charge 2.3: Four-phase CCD 2.6: Surface 2.7: Field of a CCD 5 6 7 structure two-phase CCD structures 7 buried-channel CCD energy[r] ...
Two-dimensional modeling of the electrical breakdown in rare gases
... 0.032 0.78 2 (4) With the potential energy of the incidental particle (ion), the work function of the solid, table 1 shows the values of secondary emission coefficient ( ) in argon and helium discharges according ...
Dataflow Computer Architecture Generator using Field Programmable Gate Array
... The paper introduces dataflow computing paradigm, which is driving the computation process with the flow of data, not with the flow of instructions, as control flow computers are doing. Static, dynamic and hybrid data ...
FIELD PROGRAMMABLE GATE ARRAY
... 1) Radar and Sonar: Radar systems – for air, ground, and sea — must keep size, weight, and power to a minimum while still being able to execute sophisticated processing algorithms in real time. Sonar systems – for ...
Implementation of Cryptography Algorithms in Field Programmable Gate Array
... The final RSA algorithm has implementation in C and VHDL language. The software development tool we used was the Vivado HLS 2016.3. We applied two approaches to build RSA computing unit. LUT was set as first approach, ...
Spectral emission analysis of a dc helium hollow cathode discharge
... hollow cathode discharge setup are listed in Table ...hollow cathode discharge as evident from the deposited film on the glass window, no spectral line relating to the elemental constituents of the ...
Field emission and stability
... Arc discharge is based on the use of two high purity graphite electrodes, which are positioned opposite to each other. A schematic drawing of an arc discharge setup in shown in figure 2.7. A large DC current with an ...
Computer optimized design of electron guns
... program. The file contains information for solution of the electric fields, in- cluding the voltages assigned to various objects and dielectric constants for ceramics. Electron emitters are also defined using information ...
Nanoscale Field Emission Devices
... the field of micro and nanoscale cold field emission and its relationship to the more mature field of semiconductor ...cold field emission was conceived during the rapid rise of ...
Volcanic SO 2and SiF4 visualization using 2-D thermal emission spectroscopy – Part 2: Wind propagation and emission rates
... liable result and consistent with the current knowledge of Popocat´epetl’s emission rates and variability. This methodol- ogy complements other techniques like the mobile and scan- ning DOAS instruments, but adds ...
Thermionic Emission from Doped and Nanocrystalline Diamond
... Our system is an ELMITEC UHV PEEM with a lateral resolution of less than 10nm. [13] The field of view can be changed from 2µm to 150µm, allowing magnifications up to 50.000x. The base pressure in the PEEM main ...
Creation of a new class of nanocomposite coatings of the increased crack resistance and hardness on the basis of innovative beam technologies
... magnetic field at the bottom of a rectangular hollow cathode 2 with a length of 356 mm width 136 mm and a depth of 50 ...the emission grid 4 with a fixed rectangular hollow electrode 5 with a length ...
Design and process development of an integrated phosphor field emission device
... the thickness of the chemically which separates parameter is IPFED is that the thin film insulating CVD films is environment, the an easy anode to cathode emission current is dependant u[r] ...
Synthesis and Field Emission Properties of Carbon Nanotube Films
... in nano-electronics, Rinzler et al. also demonstrated a possible application of carbon nanotubes in photonic devices. 45 They fabricated an ultrathin, transparent, optically homogeneous, conducting film of pure SWNTs, ...
A High Luminescence Fringelike Field Emission from Screen Printed Carbon Nanotube and Zinc Oxide Composite Film
... Figures 1(a-c) show the SEM images of pure CNT and CNT-ZnO screen-printed film cathodes after sintering. As shown in Figure 1(a), the pure CNT film shows a homogeneous and clean surface, where the CNTs were loose and ...
Electron optics simulation for designing carbon nanotube based field emission X-ray source
... An advantage of FEX is that one can operate at constant current (flux) mode by adjusting the gate voltage automatically to maintain constant current. The necessary gate voltage will gradually increase during the lifetime ...
Carbon nanotube based stationary X-ray tomosynthesis scanner for detection of breast cancer
... Field emission theory has been established for more than half a century; however, the applications are still limited compared to thermionic ...the field emitters with stable performance and low ...