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Wafer bonding process in semiconductor manufacturing
Anodic bonding is a wafer bonding process to seal glass to either silicon or metal without introducing an intermediate layer. Anodic bonding is commonly
Anodic_bonding
Electronics component
reduced performance, such as relatively low resonating frequency. In anodic bonding, wafers are sealed at high temperature and in the presence of electric
Capacitive micromachined ultrasonic transducer
Capacitive_micromachined_ultrasonic_transducer
Further, the bonding has less restrictions, concerning substrate roughness and planarity than direct bonding. Compared to anodic bonding, no high voltages
Eutectic_bonding
Packaging technology
bonding methods are as follows: Direct bonding Surface activated bonding Plasma activated bonding Anodic bonding Eutectic bonding Glass frit bonding Adhesive
Wafer_bonding
Hygroscopic chemical compound of variable Na2O/SiO2 ratio precursor of waterglass
low-temperature bonding technique, as opposed to fusion bonding. It also requires less processing than glass-to-glass anodic bonding, which requires an
Sodium_silicate
Wafer bond with glass central layer
Glass frit bonding, also referred to as glass soldering or seal glass bonding, describes a wafer bonding technique with an intermediate glass layer. It
Glass_frit_bonding
Metal treatment process
interference. Anodizing is also used to prevent galling of threaded components and to make dielectric films for electrolytic capacitors. Anodic films are
Anodizing
Very small devices that incorporate moving components
wafer also have been created (SCREAM). Bonding a second wafer by glass frit bonding, anodic bonding or alloy bonding is used to protect the MEMS structures
MEMS
Producer of dry cell batteries
George Wallis and Daniel I. Pomerantz at P. R. Mallory and Co discovered anodic bonding of glass to silicon. Their work was published in 1969 in the Journal
P._R._Mallory_and_Co_Inc
fabricated. Direct bonding Plasma activated bonding Anodic bonding Eutectic bonding Glass frit bonding Adhesive bonding Thermocompression bonding Measurement
Reactive_bonding
characterization of wafer-level encapsulation applied on silicon to LTCC anodic bonding". Journal of Micromechanics and Microengineering. 20 (6) 064020. Bibcode:2010JMiMi
Wafer_bond_characterization
Main component of cathodic protection
metal so that some areas will become anodic (oxidation) and some cathodic (reduction). Electrons flow from the anodic areas into the electrolyte as the metal
Galvanic_anode
Two-phase heat transfer device
Loop Heat Pipes PARAMETRIC EXPLORATION OF AUTOMATED FABRICATION AND ANODIC BONDING OF CPS FOR LHP APPLICATIONS Loop heat pipes, two phase thermal management
Loop_heat_pipe
Electrochemical process
coating there will be a large cathode area and a very small anode area, and for the exposed anodic area the corrosion rate will be correspondingly high. Using
Galvanic_corrosion
Parameter used in electrochemistry
the anodic current. Written as a reduction, cathodic current is positive. The net current density is the difference between the cathodic and anodic current
Exchange_current_density
Aerospace engineering process
Titanium adhesive bonding is an engineering process used in the aerospace industry, medical-device manufacture and elsewhere. Titanium alloy is often
Titanium_adhesive_bonding
Technique used for wastewater treatment
Electro-oxidation (EO or EOx), also known as anodic oxidation or electrochemical oxidation (EC), is a technique used for wastewater treatment, mainly for
Electro-oxidation
Microtechnology
etching, dry etching, deep reactive ion etching, sputtering, anodic bonding, and fusion bonding have been used in bio-MEMS to make flow channels, flow sensors
Bio-MEMS
Splitting of water using a semipermeable membrane
not suitable for the anode, since the highly porous and irregular surface of the nickel metal felt (commonly used as the anodic PTL) does not allow for
Anion exchange membrane electrolysis
Anion_exchange_membrane_electrolysis
very similar to the one used for Anodic bonding, where the recorded electric field bonds the glass sample to the anode. In thermal poling, one exploits
Glass_poling
Electric guitar made in England in the mid-1980s
Melody Maker (with the 1962–onwards double cut-away), with a unique stepped anodized aluminum fingerboard instead of traditional frets. Pickup switching, volume
Bond_Electraglide
Silicon-based subclass of lithium-ion battery technology
Lithium–silicon batteries are lithium-ion batteries that employ a silicon-based anode and lithium ions as the charge carriers. Silicon-based materials, generally
Lithium–silicon_battery
capping, LCP or LTCC packaging) or wafer-level packaging (anodic or glass frit wafer bonding). RF MEMS switches were pioneered by IBM Research Laboratory
Radio-frequency microelectromechanical system
Radio-frequency_microelectromechanical_system
Method of analyzing electrochemical reactions
applied, and the anodic (positive) current increases over this time period due to the charging of the electric double layer. The spike in anodic (positive)
Cyclic_voltammetry
Primary or secondary battery
high (>2 V vs. Mg/Mg2+) anodic voltage stability limit. In that work, however, a low voltage (and somewhat expensive) anode material (chevrel-type Mo6S8)
Magnesium_battery
Branch of physical chemistry
iron is oxidized. Attempts to save a metal from becoming anodic are of two general types. Anodic regions dissolve and destroy the structural integrity of
Electrochemistry
Physical and chemical properties of pure water
dissociate ions in salts and bond to other polar substances such as alcohols and acids, thus dissolving them. Its hydrogen bonding causes its many unique properties
Properties_of_water
Salt or ester of carbonic acid
doi:10.1016/j.ijhydene.2020.12.073. ISSN 0360-3199. S2CID 234180559. "Anodic generation of hydrogen peroxide in continuous flow". Green Chemistry. 24:
Carbonate
Type of rechargeable battery
lowering energy density than oxides. On the other hand, a stronger covalent bonding of the polyanion positively impacts cycle life and safety and increases
Sodium-ion_battery
Invitation-only American Express charge card
receive an invitation to carry the card. The Centurion Card is minted out of anodized titanium, laser-engraved, and accented with stainless steel. The card reports
Centurion_Card
Chemical compound
subclinical hyperthyroidism (suppressed TSH). Sodium perchlorate is produced by anodic oxidation of sodium chlorate (NaClO3) at an inert electrode, such as platinum
Sodium_perchlorate
Particle, atom or molecule with a net electrical charge
will gain electrons to form negatively charged ions. Ionic bonding is a kind of chemical bonding that arises from the mutual attraction of oppositely charged
Ion
Genus of bacteria
is a psychrotolerant member of its family, capable of attaching to the anodes of sediment fuel cells and harvesting electricity by oxidation of organic
Geopsychrobacter
GMBH, Heidelberg 2016, page 18–22. Lau, John; Fan, Xuejun (2025). Hybrid Bonding, Advanced Substrates, Failure Mechanisms, and Thermal Management for Chiplets
Electrochemical_migration
Organometallic compound: Fe(II) sandwiched between two cyclopentadienyl rings
single covalent bond from the saturated carbon atom to the iron atom. However, that structure was inconsistent with then-existing bonding models and did
Ferrocene
Chemical compound
devised. It is formed by the anodic oxidation of silver perchlorate, silver tetrafluoroborate, or silver hexafluorophosphate. Anodic oxidation of silver nitrate
Silver(III)_oxide
Technique in chemistry and manufacturing
electrolytic cathode is used as a shaped tool for removing material by anodic oxidation from a workpiece. ECM is often used as a technique for deburring
Electrolysis
Battery with solid electrodes and a solid electrolyte
commercialization. Solid-state batteries can use metallic lithium for the anode and oxides or sulfides for the cathode, thereby enhancing energy density
Solid-state_battery
Alloy used in nuclear weapon pits
IEEE. Retrieved 2010-01-25. "Method for plutonium-gallium separation by anodic dissolution of a solid plutonium-gallium alloy". frepatent. Retrieved 2010-01-25
Plutonium–gallium_alloy
Chemical compound
(respectively 1.43 and 1.23 Å). The unusual C-O bond lengths are attributed to delocalized π bonding in the molecule's center and extraordinarily strong
Carbonic_acid
Chemical element with atomic number 1 (H)
noncovalent bonding with another electronegative element with a lone pair like oxygen or nitrogen. This phenomenon, called hydrogen bonding, is critical
Hydrogen
Negatively-charged molecule made of oxygen and iodine
been explained in terms of dative bonds, confirming the absence of double bonding in these molecules. Exact structures vary depending on counter ions, however
Periodate
Chemical reaction with oxidation state changes
potential difference is: Eo cell = Eo cathode − Eo anode However, the potential of the reaction at the anode is sometimes expressed as an oxidation potential:
Redox
Fixing pieces of aluminium together
techniques to join aluminium including mechanical fasteners, welding, adhesive bonding, brazing, soldering and friction stir welding (FSW), etc. Various techniques
Aluminium_joining
Technology for splitting water molecules
catalyst. At the anode, hydrogen and oxygen do not react at the iridium oxide catalyst. Thus, safety hazards due to explosive anodic mixtures hydrogen
Proton exchange membrane electrolysis
Proton_exchange_membrane_electrolysis
Vacuum tube used to display images
electrodes. The electrons are steered by deflection coils or plates, and an anode accelerates them towards the phosphor-coated screen, which generates light
Cathode_ray_tube
Simplest dicarboxylic acid. (COOH)2
as two polymorphs; in one the hydrogen-bonding results in a chain-like structure, whereas the hydrogen bonding pattern in the other form defines a sheet-like
Oxalic_acid
Lithium-ion battery cathode material
Displacing nickel from the layered structure can alter the material's bonding characteristics, forming undesirable phases and lowering its capacity.
Lithium nickel manganese cobalt oxides
Lithium_nickel_manganese_cobalt_oxides
Solid forms of the element phosphorus
This is due to the nature of bonding in the P4 tetrahedron which can be described by spherical aromaticity or cluster bonding, that is the electrons are
Allotropes_of_phosphorus
Chemical compound
The alternative route, which is more direct and avoids salts, entails anodic oxidation of aqueous chlorine at a platinum electrode. In the laboratory
Perchloric_acid
Sources of electricity or hydrogen via electrolysis
particles of sufficiently small dimension, the particles polarize into anodic and cathodic regions, effectively forming microscopic photoelectrochemical
Photoelectrochemical_cell
Natural or man-made structures that have the geometry of a honeycomb
bonding problem by rolling or pressing a skin which is in a plastic state into the core cell walls. The first successful structural adhesive bonding of
Honeycomb_structure
Chemical compound
the positive plate of lead acid batteries and as a relatively inexpensive anode in electrolysis reactions. Lead dioxide has two major polymorphs, alpha
Lead_dioxide
Type of battery
such as PTCDA, a red pigment which can bond with 11 potassium ion within single molecule. Classic alloying anodes such as Si, Sb and Sn that can form alloy
Potassium-ion_battery
Organic reaction
conditions in protic solvents, and using a high current density and a platinum anodic electrode. In 2022, it was discovered that the Kolbe electrolysis is enhanced
Kolbe_electrolysis
Organofluorine chemistry method
this reaction occurs once for each C–H bond in the precursor. The cell potential is maintained near 5–6 V. The anode is nickel-plated. Simons discovered
Electrochemical_fluorination
Semiconductor light source
package, and wire bonding or flip chip mounting, perhaps using indium tin oxide, a transparent electrical conductor. In this case, the bond wire(s) are attached
Light-emitting_diode
American cookware company
copper core. At the time of its founding, All-Clad used a patented "roll bonding" process by which metals are sandwiched together and then formed into a
All-Clad
Chemical compound
Elliott, Stephen R.; Deringer, Volker L. (2023-06-12). "Structure and Bonding in Amorphous Red Phosphorus**". Angewandte Chemie International Edition
Red_phosphorus
Form of electromagnetic radiation
a metal having one proton less than the anode material (e.g. Ni filter for Cu anode or Nb filter for Mo anode). Bremsstrahlung: This is radiation given
X-ray
Number of protons found in the nucleus of an atom
elements from aluminium (Z = 13) to gold (Z = 79) used as a series of movable anodic targets inside an x-ray tube. The square root of the frequency of these
Atomic_number
Medical intervention
a different polarity. During electrolysis, the positive side undergoes anodic reactions, while on the negative side, cathodic reactions are encountered
Electrocoagulation
Chemical reaction product
Sb13 bowl). The geometry and bonding of a Zintl ion cannot be easily described by classical two electron two center bonding theories; however the geometries
Zintl_phase
Compound derived from an acid
using a work up in the presence of hydrochloric acid and various alcohols. Anodic oxidation of methyl ketones leading to methyl esters. Interesterification
Ester
Type of metal tubing
Electrical Code (NEC), for the correct bonding conductor wire size for a particular building. A similar bonding jumper wire is used between the inlet and
Copper_tubing
Power supply with electrochemical cells
which are high-energy metals because they are not stabilized by d-electron bonding, unlike transition metals. Batteries are designed so that the energetically
Electric_battery
Type of battery
used a 3D structured anode in which layers of aluminium accumulate evenly on an interwoven carbon fiber structure via covalent bonding as the battery is
Aluminium-ion_battery
Common type of reference electrode in electrochemistry
passed through the electrode with 100% efficiency of the redox reaction (anodic oxidation and dissolution of the Ag metal along with cathodic reduction
Silver_chloride_electrode
Chemical species that donates an electron to another species in a redox reaction
electronegativity, which is the ability of an atom or molecule to attract bonding electrons, and species with relatively small ionization energies serve
Reducing_agent
Discontinued optical video disc format
vacuum-sealed package. There is a clear dye inside the disc, contained within the bonding resin of the disc, which reacts with oxygen. When the seal is broken on
Flexplay
materials. It is widely used in industrial processes to prepare surfaces for bonding, gluing, coating and painting. Plasma processing achieves this effect through
Plasma_activation
With retention of most of the metal-metal bonding down to 0.5 V, Cu6Sn5 has become an attractive potential anode material due to its high theoretical specific
Research in lithium-ion batteries
Research_in_lithium-ion_batteries
Class of metallocene cations
agrees with well-studied bonding models for metallocene sandwich compounds such as ferrocene. In ferrocene the non-bonding dz2 (a1g) orbital is the highest
Group 8 metallocenylmethylium cation
Group_8_metallocenylmethylium_cation
Laboratory device used for electrochemistry
In short, it functions as an ionically-conducting link connecting the anode and cathode half-cells within the electrochemical cell. It also minimizes
Salt_bridge
United States historic place
020-inch-thick (0.5 mm) zinc onto the exposed concrete to provide a sacrificial anode that corrodes in lieu of the steel rebar. Transport portal Engineering portal
Cape_Creek_Bridge
Chemical element with metallic and nonmetallic properties
valence electrons per boron atom, simple covalent bonding cannot fulfil the octet rule. Metallic bonding is the usual result among the heavier congenors
Metalloid
Chemical element with atomic number 17 (Cl)
bonds to the larger electronegative chlorine atom; however, weak hydrogen bonding is present in solid crystalline hydrogen chloride at low temperatures,
Chlorine
Loudspeaker part
Aluminium was widely used in the speaker industry due to its low cost, ease of bonding, and structural strength. When higher power amplifiers emerged, especially
Voice_coil
Class of two-dimensional inorganic compounds
substitution and elimination reactions in molten inorganic salts. Covalent bonding of organic molecules to MXene surfaces was demonstrated through reaction
MXenes
Chemical element with atomic number 13 (Al)
elements) form a face-centered cubic crystal system bound by metallic bonding provided by atoms' outermost electrons; hence, aluminium (at these conditions)
Aluminium
chemical bonding of two or more individual monomer molecules to form a polymer chain or network; or any reaction that produces such a bonding. potential
Glossary_of_chemistry_terms
States of matter for water as a solid
the water molecule (in the gas phase), which is 105°. This tetrahedral bonding angle of the water molecule essentially accounts for the unusually low
Phases_of_ice
Chemical compound (H2SO4)
with a copper cathode and platinum/graphite anode to give spongy copper at cathode and oxygen gas at the anode. The solution of dilute sulfuric acid indicates
Sulfuric_acid
Chemical element with atomic number 47 (Ag)
gold complexes): they are also quite unsymmetrical, showing the weak π bonding in group 11. Ag–C σ bonds may also be formed by silver(I), like copper(I)
Silver
Chemical element with atomic number 30 (Zn)
[Ar]3d10. The filled interior d shell generally does not participate in bonding, producing diamagnetic and mostly colorless compounds. In aqueous solution
Zinc
Chemical element with atomic number 57 (La)
failed in 1889. Modern uses of lanthanum include: One material used for anodic material of nickel–metal hydride batteries is La(Ni 3.6Mn 0.4Al 0.3Co 0
Lanthanum
Group of highly reactive chemical elements
becomes larger and more polarisable. For instance, ionic bonding gives way to metallic bonding along the series NaCl, Na2O, Na2S, Na3P, Na3As, Na3Sb, Na3Bi
Alkali_metal
Chemical compound
distances and Mo-Mo bonding. The short Mo – Mo distance is 251 pm which is less than the Mo – Mo distance in the metal, 272.5 pm. The bond length is shorter
Molybdenum_dioxide
Inorganic salt: MgCl2 and its hydrates
ice buildup, road maintainers apply magnesium chloride to deter ice from bonding to the pavement, allowing snow plows to clear treated roads more efficiently
Magnesium_chloride
Chemical element with atomic number 9 (F)
gases. Fluorine's high electron affinity results in a preference for ionic bonding; when it forms covalent bonds, these are polar, and almost always single
Fluorine
Electrical action produced by a non-electrical source
compared to copper, which has an unfilled orbital available for bonding. If the cathode and anode are connected by an external conductor, electrons pass through
Electromotive_force
Type of coating applied as a free-flowing, dry powder
substrate and new nanotechnology chemical bonding. The pre-treatment process both cleans and improves bonding of the powder to the metal. Recent additional
Powder_coating
Flat bottomed pan for cooking food on a stove
also gain non-stick properties through seasoning and use. A process for bonding Teflon to chemically roughened aluminium was patented in France by Marc
Frying_pan
Type of material
deforming under stress without cleaving. The nondirectional nature of metallic bonding contributes to the ductility of most metallic solids, where the Peierls
Metal
Nano-scale semiconductor particles
be applied to a wide range of quantum dot sizes and compositions. The bonding in certain cadmium-free quantum dots, such as III–V-based quantum dots
Quantum_dot
Chemical compound
bisulfate: 2 NaHSO4 → Na2S2O8 + H2 Oxidation is conducted at a platinum anode. In this way about 165,000 tons were produced in 2005. The standard redox
Sodium_persulfate
Steel alloy resistant to corrosion
steel and aluminium, becomes the cathode, accelerating the corrosion of the anodic metal. An example is the corrosion of aluminium rivets fastening stainless
Stainless_steel
Chemical element with atomic number 82 (Pb)
(2014). "Chemical bonding of main-group elements" (PDF). In Frenking, G.; Shaik, S. (eds.). The Chemical Bond: Chemical Bonding Across the Periodic
Lead
Chemical element with atomic number 12 (Mg)
zirconia (YSZ). The anode is a liquid metal. At the YSZ/liquid metal anode O2− is oxidized. A layer of graphite borders the liquid metal anode, and at this interface
Magnesium
Energy storage system using electrochemical secondary cells
battery industry". First-Principles Calculations for Cathode, Electrolyte and Anode Battery Materials. IOP Publishing. doi:10.1088/978-0-7503-4685-6ch16.
Battery_energy_storage_system
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