Design of a Broadband Radome-Enclosed Dual-Polarization Antenna Array Covering Sub-6 GHz Band with Differential Feeding by Zhirong An, Mang He

“…The main patch is fed through two pairs of symmetrical ports, and annular-ring slits are etched around the feedings. The broadband 180° phase shifter provides a stable differential feeding structure, and a 1 mm thick radome with a parasitic patch printed on its inner surface is utilized to expand the impedance bandwidth. …”
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‘Larks in Season’: The Comic Almanack (1835–54) by Brian Maidment

“…With a list of contributors that included Thackeray, Horace Mayhew, and Gilbert à Beckett and centrally dependent on both etched and wood engraved illustrations by George Cruikshank and H. …”
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Slot Parameter Optimization for Multiband Antenna Performance Improvement Using Intelligent Systems by Erdem Demircioglu, Ahmet Fazil Yagli, Senol Gulgonul, Haydar Ankishan, Emre Oner Tartan, Murat H. Sazli, Taha Imeci

“…This paper discusses bandwidth enhancement for multiband microstrip patch antennas (MMPAs) using symmetrical rectangular/square slots etched on the patch and the substrate properties. …”
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Microfluidic Flexible Substrate Integrated Microstrip Antenna Sensor for Sensing of Moisture Content in Lubricating Oil by Lin Zhu, Wei Li, Xueyun Han, Yufeng Peng

“…The microchannels are etched on the PDMS substrate. When the relative permittivity of the microfluidic channel is 1.8∼12.5, the operating frequency of the proposed antenna changes from 2.230 to 2.116 GHz, and the amplitude of the reflection coefficient is greater than −26.3 dB. …”
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A New Differential Magnetic-Field Probe With Parasitic Elements for Near-Field Scanning by Lei Wang, Xiaoxian Liu, Guoguang Lu, Zhangming Zhu

“…Third, another pair of shorted loops is etched into the probe to further improve the detection sensitivity. …”
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Processing Chip for Thin Film Bulk Acoustic Resonator Mass Sensor by Pengcheng Jin, Shurong Dong, Hao Jin, Mengjun Wu

“…The longitudinal mode FBAR with back-etched structure is fabricated, which has resonant frequency 1.878 GHz and factor 1200. …”
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13 µm cutoff InAs/GaSb type-II superlattice nBn detectors with high quantum efficiency grown by MOCVD by Richard Brown, Chen Liu, George Seager, Francisco Alvarado, Ka Ming Wong, Adam P. Craig, Richard Beanland, Andrew R. J. Marshall, J. Iwan Davies, Qiang Li

“…The peak detectivity was found to be 4.43 × 1010 cm Hz1/2/W at 9 µm, which is very comparable with similar deep etched detectors grown by molecular beam epitaxy.…”
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Wideband Circularly Polarized Microstrip-Slot Antenna with Parasitic Ground Planes by Qin Huang

“…The antenna consists of a square-loop feed configuration, four parasitic square patches, four parasitic vertical planes, and a square ground plane etched with four parasitic square slots. The corner-cut square-loop can excite a stable 270° phase difference by loading an arc-shaped strip into the square-loop. …”
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Visualisation of the interaction between Acidithiobacillus ferrooxidans and oil shale by atomic force microscopy by Milić Jelena S., Beškoski Vladimir P., Ranđelović Danijela V., Stojanović Jelica, Vrvić Miroslav M.

“…After 5 day incubation with At. ferrooxidans, AFM imaging revealed ellipsoid etched pits that represent footprints left by detached cells. …”
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Characterization and Application of the Thermal Neutron Radiography Beam in the Egyptian Second Experimental and Training Research Reactor (ETRR-2) by M. A. Abou Mandour, R. M. Megahid, M. H. Hassan, T. M. Abd El Salam

“…The neutron radiography facility unit utilizes one of the radial beam tubes. The track-etch technique using nitrocellulose films and converter screen is applied. …”
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A contribution to the study of the urbanization of today's old core of Zemun during the 18th century by Mićović Nela

“…On the front of this was etched an inscription in Latin mentioning the name Johannes Radmacher, his official title, and the year 1776. …”
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A Miniaturized High-Gain Flexible Antenna for UAV Applications by Xinhuan Yang, Yanzhu Qi, Bo Yuan, Yazi Cao, Gaofeng Wang

“…The proposed antenna basically comprised of three parts of printed patch in series, etched on dielectric substrate. And, a flexible cable is loaded on the bottom of dielectric substrate. …”
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Printed Wide-Slot Antenna Design with Bandwidth and Gain Enhancement on Low-Cost Substrate by M. Samsuzzaman, M. T. Islam, J. S. Mandeep, N. Misran

“…To increase the gain, four L-shaped slots are etched in the ground plane. The measured results show that the proposed structure retains a wide impedance bandwidth of 88.07%, which is 20% better than the reference antenna. …”
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Tantalum airbridges for scalable superconducting quantum processors by Kunliang Bu, Sainan Huai, Zhenxing Zhang, Dengfeng Li, Yuan Li, Jingjing Hu, Xiaopei Yang, Maochun Dai, Tianqi Cai, Yi-Cong Zheng, Shengyu Zhang

“…This method introduces an aluminum film as a barrier layer to separate two layers of photoresist, which is then etched away before depositing tantalum film. We experimentally characterize these tantalum airbridges as control line jumpers, ground plane crossovers and coupling elements, and further validate the overall adaptability by a 13-qubit quantum processor with a median T 1 exceeding 100 μs. …”
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Experimental Study on the Deterioration Rules of Anchoring Performance of Rock Mass under Different Joints Distribution by Wantao Ding, Minglei Hou, Lei Chen, Keqi Liu, Rui Chen, Yang Wang, Mingbin Wang

“…The results showed that the pitting corrosion is the main form of the anchor bar corrosion of an anchoring rock mass with different joints, and the shape of the etch pit is reverse semi-ellipse. With the increase of pitting ratio, the ultimate bond strength and the corresponding slide distance decrease gradually. …”
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Dual-Band High Q-Factor Complementary Split-Ring Resonators Using Substrate Integrated Waveguide Method and Their Applications by Mehdi Hamidkhani, Rasool Sadeghi, Mohamadreza Karimi

“…In this paper, three novel dual-band complementary split-ring resonators (CSRRs) featuring high group delay etched on the waveguide surface by using substrate integrated waveguides are investigated and proposed. …”
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Performance Analysis of an F-Shaped Antenna for Wireless Applications by A. Gokula Chandar, S. Kannadhasan, R. Nagarajan, Parameswari Subbian, Mahtab Mashuq Tonmoy

“…The faulty ground structure is etched as twin rectangular slots, an F-shaped slot, and a square slot with a corner cut off. …”
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Modulation of Co spin state at Co3O4 crystalline-amorphous interfaces for CO oxidation and N2O decomposition by Yunpeng Long, Xiao Zhu, Chuan Gao, Wenzhe Si, Junhua Li, Yue Peng

“…Characterization analyses confirm that tetrahedral Co2+ is selectively etched from bulk spinel, forming amorphous CoO islands on the surface. …”
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Effect of Bleaching and Thermocycling on Resin-Enamel Bond Strength by Horieh Moosavi, Hamideh Sadat Mohammadipour, Marjaneh Ghavamnasiri, Sanaz Alizadeh

“…Bleaching caused a significant degradation on shear bond strength of silorane-based resin composites that bonded using self-etch adhesive resin systems.…”
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Coupling Metallic Nanostructures to Thermally Responsive Polymers Allows the Development of Intelligent Responsive Membranes by J. Rubén Morones-Ramírez

“…The method followed involved the grafting of optothermally responsive polymer-metal nanoparticle nanocomposites to polycarbonate track-etched porous membranes (PCTEPMs). The nanoparticles coupled to the polymer grafts serve as the optothermal energy converters to achieve optical switching of the pores. …”
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