etching time
Structural and optical properties of n- type porous silicon– effect of etching time
... minutes etching time respectively. Thus as the etching time increases, the average pore diameter also ...the etching time is further increased to 30 minutes, the SEM image ...
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Study of Effect of Etching Time and Concentration on Microstructure of SG 400/12 Grade Ductile Cast Iron
... the etching of SG cast iron (400/12 Grade) samples for short etching time (4 – 10 sec) and also for long etching time (30 sec and 60 ...technique. Etching is the selective ...
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Etching time evaluation on the shear bond strength of two adhesive systems in primary teeth
... versus time showed that for the SBMP the performance of the system did not vary due to the etching time, while for the PB the best results were found for the lower times of acid etching; 2 - ...
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Temperature Rise Induced by Light Curing Unit Can Shorten Enamel Acid-Etching Time
... reduced etching time resulted in lower µSBS to enamel, and LED light irradiation during five seconds of etching improved µSBS to a level similar to that of 15 seconds of ...enamel etching ...
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Effect of Etching Time and Preparation on Push-Out Bond Strength of Composite to Intracanal Dentin of Primary Anterior Teeth
... Considering etching time and the differences in some micromechanical and histological properties of primary and permanent dentin [17], our alternative hypothesis was that applying shorter etching ...
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Effect Of Etching Time On Electrical Properties For Porous Silicon By Photo Electrochemical Etching
... of etching time, due to the fact that when etching time increases the porous layer and the porosity increase so that the pore walls act as carriers trapped and cause high resistivity which in ...
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EVOLUTION OF STRUCTURE, MORPHOLOGY AND GROWTH OF CNS’S AS A FUNCTION OF PRE-ETCHING TIME DEPOSITD BY RF-PECVD
... It is believed that nanostructures grow by the decomposition of the carbonaceous gas on the surface of a catalyst granule. The carbon dissolves in the catalyst, diffuses through it, and exit to form of the carbon nano ...
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HF etching of CAD/CAM materials: influence of HF concentration and etching time on shear bond strength
... The present study partially rejected the first hypothesis that different HF acid concentrations affect the surface morphology of different CAD/CAM ceramic materials and shear bond strength using four different resin com- ...
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Effect of etching time on morphological, optical, and electronic properties of silicon nanowires
... Silicon nanowires (SiNWs) have attracted much atten- tion in the recent years due to their importance in the field of electronic devices and photovoltaic [1-4]. Hence, SiNWs could be used as an antireflection coating due ...
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Triangle pore arrays fabricated on Si (111) substrate by sphere lithography combined with metal assisted chemical etching and anisotropic chemical etching
... post-catalytic etching in TMAH was attempted to pre- cisely control the pore ...ical etching was conducted for (111) silicon for 1 min as pre-etching in advance through a resist honeycomb mask, ...
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OPTICAL CONSTANTS CORRELATED WITH ETCHING AND IRRADIATION TIME OF LR115 DETECTOR BOMBARDED WITH Α-PARTICLES FOR DIFFERENT IRRADIATION TIMES
... When the ionizing radiation passes through a polymeric track detector, its produces damage trail called latent tracks[17]. These latent tracks can be developed and visualized by means a suitable chemical etchant that ...
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Formation of nanostructured silicon surfaces by stain etching
... to etching solution for 30, 60, 90, and 120 min where the presence of circular pores on the surface is re- ...of etching time (Figure ...an etching time of 60 min, to reach a value of ...
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Etching effects and the formation of Streaking Defects on Al Extrusions
... the etching time has a similar effect on extrusion surface defects as the etching ...the etching time at 40C, the severity of extrusion surface defects such as die lines decrease ...
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The Effect of Silver Plating Time on Silicon Nanowires Arrays Fabricated by Wet Chemical Etching Method
... chemical etching to fabricate silicon na- nowires arrays at room temperature by changing experimental ...as etching catalyst to coordinate the density of the nanowires, which has exceptional performance on ...
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Conventional methods of plasma etching in semiconductor manufacturing process
... the etching occurs is limited by the surface, and it can be greatly increased by conducting the etch in the presence of plasma ...the etching does not progress equally in all directions, and are often ...
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Inductively Coupled Plasma Etching of III-N Semiconductors
... Etching removes material from surfaces; it is a critical step in the fabrication of all microelectronic ...the etching process that are typically investigated include etch rate, anisotropy (directionality ...
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Optical and Electrical Characteristics of Silicon Nanowires Prepared by Electroless Etching
... electroless etching method, has been proposed as a promising synthetic ...chemical etching of Si was reported in 1997, where porous Si was fabricated by etching an aluminum (Al)-coated Si sub- strate ...
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Ion etching of human adenovirus 2: structure of the core.
... Ion etching experiments showed that the large spheres adenosomes were packed tightly together in virion cores, where they were related by two-, three-, and fivefold axes of rotational sy[r] ...
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Effect of Surface Treatment on Enamel Cracks after Orthodontic Bracket Debonding: Er,Cr:YSGG Laser-Etching versus Acid-Etching
... 6- Ozer T, Basaran G, Berk N. Laser etching of enamel for orthodontic bonding. Am J Orthod Dentofacial Orthop. 2008 Aug;134(2):193-7. 7- Klein AL, Rodrigues LK, Eduardo CP, Nobre dos Santos M, Cury JA. Caries ...
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ICP Etching of Silicon for Micro and Nanoscale Devices
... either etching a trench and thereby creating more exposed surface area, or by changing the etch mask and exposing more substrate, etch rates are known to change ...
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