Industry Capacitor
Capacitors with high capacitance will store large amount of electric charge whereas the capacitors with low capacitance will store small amount of electric charge. The capacitance of a capacitor can be compared with the size of a water tank: the larger the water tank, the more water it
Industry KR19990081296A
A method of forming a capacitor of a semiconductor device capable of suppressing damage caused by hydrogen caused when an interlayer insulating film ILD is formed on a capacitor upper electrode. To this end, the present invention comprises the steps of forming a contact hole exposing a portion of the semiconductor substrate on the semiconductor substrate on which
Industry KR19990041919A
The present invention relates to a method for forming a capacitor in which a capacitor having a stacked structure connected to a source or a drain electrode of a transistor is formed to have a stable shape by lowering a step difference of the capacitor, and to increase the capacitance by forming a wide surface area of the capacitor.
Industry KR19990047420A
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of forming a capacitor suitable for increasing the surface area of a storage electrode to increase capacitance, and comprises: exposing an impurity region to a semiconductor substrate on which a transistor including a gate electrode and an impurity region is formed; Forming a
Industry Capacitor
Types of Capacitors. Parallel Plate Capacitor; Spherical Capacitor; Cylindrical Capacitor; Parallel Plate Capacitor. The parallel plate capacitor consists of two metal plates of area A, and is separated by a distance d. The plate on the top is given a charge +Q, and that at the bottom is given the charge –Q.
Industry KR19990058620A
The present invention relates to a method of manufacturing a capacitor suitable for increasing the capacitance by increasing the surface area of the storage electrode of the capacitor, the process of forming a trench to be connected to the impurity region on the semiconductor substrate on which the gate electrode and the impurity region are formed; Forming a polysilicon layer doped
Industry Capacitor: Definition, Theory, Working, And Equation
(Photo Credit : Papa November/Wikimedia Commons) A capacitor is a device that consists of two conductors separated by a non-conducting region. The technical term for this non-conducting region is known
Industry KR19990004602A
The present invention relates to a method of forming a capacitor of a semiconductor device, wherein a sacrificial oxide film is formed on an upper portion of a first conductor formed as a charge storage electrode, a second conductor is formed on the sacrificial oxide film, and then the sacrificial oxide film is formed. It is a technology to increase the surface area of the charge
Industry KR19990008509A
The present invention relates to a method of forming a capacitor, the method comprising: forming an insulating layer on a semiconductor substrate having a transistor and then patterning the contact hole; forming an amorphous silicon layer to fill the contact hole on the insulating layer; Forming an oxide layer in a portion corresponding to the contact hole on the amorphous silicon
Industry KR100296916B1
The present invention relates to a method for forming a capacitor that effectively prevents diffusion of hydrogen and does not involve a multi-step heat treatment process, and is characterized by forming a Bi 4 Ti 3 O 12 film as a diffusion barrier. By forming the Bi 4 Ti 3 O 12 film as a diffusion barrier, it is possible to effectively prevent the penetration of H 2 or H 2 O, and does not
Industry Electrolytic capacitor
An electrolytic capacitor is a polarized capacitor whose anode or positive plate is made of a metal that forms an insulating oxide layer through anodization.This oxide layer acts as the dielectric of the capacitor. A solid, liquid, or gel electrolyte covers the surface of this oxide layer, serving as the cathode or negative plate of the capacitor. Because of their very thin dielectric oxide
Industry Effect of Heat Budget After Capacitor Formation on the Leakage
Successful development of 20 nm or smaller dynamic random-access memory (DRAM) requires reduction of the leakage current in capacitors with high-k dielectrics.To reduce the leakage current of the capacitor, we fabricated a ZrO₂-based metal-insulator-metal (MIM) capacitor and investigated changes in leakage current characteristics associated with heat
Industry KR19980069006A
The capacitor forming method includes removing the second mask pattern and removing the oxide layers, thereby increasing capacity by increasing the surface area of the storage electrode. KR19980069006A - Capacitor Formation Method - Google Patents
Industry Theory and Operation of Capacitors
Capacitors react against changes in voltage by supplying or drawing current in the direction necessary to oppose the change. When a capacitor is faced with an increasing voltage, it acts
Industry KR970018537A
The present invention relates to a method of forming a capacitor of a semiconductor device using a tantalum compound as an electrode, comprising: forming a lower electrode using a Ta compound after ion implantation on a silicon substrate and isolation with a field oxide film; Oxidizing the surface of the lower electrode formed of the Ta compound to obtain a strong
Industry Aluminum electrolytic capacitor
Aluminium electrolytic capacitors are (usually) polarized electrolytic capacitors whose anode electrode (+) is made of a pure aluminium foil with an etched surface. The aluminum forms a very thin insulating layer of aluminium oxide by anodization that acts as the dielectric of the capacitor. A non-solid electrolyte covers the rough surface of the oxide layer, serving in principle as the
Industry What is a Capacitor : Construction & Its Working
Here instead of going into details of a specific capacitor, we shall limit ourselves to the general principal/construction of capacitors. What is a Capacitor? The capacitor is a device that is capable of storing electric charge
Industry KR19990061076A
The present invention relates to a method for forming a capacitor of a semiconductor device, comprising: forming a first hemispherical conductor connected to a semiconductor substrate through a storage electrode contact hole, and forming a sacrificial insulating film on the first hemispherical conductor; The sacrificial insulating film and the first hemispherical conductor
Industry Capacitor and Capacitance
Capacitors store energy by holding apart pairs of opposite charges. The simplest design for a capacitor is a parallel plate, which consists of two metal plates
Industry KR19990050474A
The present invention relates to a method of forming a capacitor suitable for increasing the surface area of a storage electrode and increasing a capacitance in a highly integrated semiconductor device. Forming the first polycrystalline silicon layer, the second insulating layer and the second polycrystalline silicon layer sequentially so as to cover the contact hole on the
Industry KR960032747A
The present invention facilitates the fabrication of highly integrated semiconductor devices by contacting the charge storage electrodes with a fine width using spacers and forming capacitors by increasing the surface area of the charge storage electrodes in a plurality of conductive film formation, insulating film formation processes and etching processes.
Industry Capacitor plague
The capacitor plague was a problem related to a higher-than-expected failure rate of non-solid aluminium electrolytic capacitors between 1999 and 2007, This faulty electrolyte allowed the unimpeded formation of hydroxide and produced hydrogen gas.
Industry Capacitor Production Process
Formation The dielectric of the aluminum electrolytic capacitor is composed of a thin layer of aluminum oxide (Al 2 O 3) which develops or “forms” on the surface of the etched aluminum foil during a process called “formation.”
Industry Capacitor and Capacitance
Capacitors store energy by holding apart pairs of opposite charges. The simplest design for a capacitor is a parallel plate, which consists of two metal plates with a gap between them. But, different types of capacitors are manufactured in many forms, styles, lengths, girths, and
Industry What is Electric Double Layer Capacitor (EDLC)?
The two capacitors formed at the electrodes, in series with each other, go to form the effective capacitance between electrodes. giving largest possible effective surface area for formation of dielectric. To understand graphene thickness, a regular graphite pencil may be used to make black surface on a small area of paper, and then the
Industry KR940016803A
The present invention provides a method of forming a capacitor on a substrate of a hybrid integrated device, comprising: (1) applying a first metal layer on a substrate and patterning the first metal layer by a photolithography process to form a first electrode of the capacitor; And (2) depositing a second tantalum on the entire surface and converting it into tantalum oxide by
Industry KR980006324A
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a capacitor of a semiconductor device, wherein a hemispherical polysilicon layer is used to form a capacitor storage electrode having a plurality of pillar structures, but the edge of the storage electrode having a plurality of pillars in order to maximize capacitor
Industry KR960026657A
The present invention maximizes the surface area of a capacitor by forming a capacitor through a plurality of polysilicon film forming processes, an insulating film forming process, and an etching process, thereby sufficiently securing the capacitance of the cell, and securing a capacitor contact process margin through a self-aligned contact using a spacer.
Industry Introduction to Capacitors
Capacitors perform a variety of operations in a circuit. One primary function is to store electrons and release them at a later time. An example is in a DC power supply. A rectifier circuit
Industry Introduction to Capacitors, Capacitance and Charge
The capacitor is a component which has the ability or “capacity” to store energy in the form of an electrical charge producing a potential difference (Static Voltage) across its plates, much like a small rechargeable battery.
Industry KR19980058457A
The present invention provides a method of forming a capacitor of a semiconductor device capable of forming a capacitor in a double manner to lower the height of a cylinder than in the related art and to obtain a sufficient dielectric constant by using an oxide film as a dielectric, comprising: forming an insulating film on a semiconductor substrate; Etching the insulating film
Industry Explaining Capacitors and the Different Types
Figure 2: A typical capacitor symbol contrasted with a schematic including non-ideal properties modeled as lumped elements. ESL. forming an oxide layer with a thickness proportional to the voltage applied during the formation process, and determined by the intended working voltage of the capacitors to be produced. Typically, the thickness
Industry Challenges in high-aspect ratio contact (HARC) etching for DRAM
Request PDF | Challenges in high-aspect ratio contact (HARC) etching for DRAM capacitor formation | In the HARC etching to form capacitor in DRAM fabrication, many essential requirements such as
Industry What is Capacitor & How are Electrolytic Capacitors
An electrolytic capacitor comprises two plates (i.e, anode and cathode) made up of metal, the dielectric is formed on the anode plate by the process of anode oxidation, this process forms an insulating oxide layer (i.e, a
Industry KR950025994A
According to the present invention, in the formation of a capacitor of a semiconductor memory device, the charge storage electrode connected by using a source region and a contact hole of a transistor is formed in a triple cylinder wider than a mask, and the grooves are formed in different shapes. By increasing the effective area of the charge storage electrode of the memory device,
Industry KR950030397A
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a capacitor of a semiconductor device, wherein after forming a charge storage electrode, a nitride film and a Ta 2 O 5 film are sequentially formed to form a dielectric film, and when the heat treatment is performed, grains of Ta 2 O 5 grow to increase surface roughness.
Industry Lecture 31: Devices and Integrated Circuit formation
capacitor is similar to a parallel plate capacitor. The dielectric material can be silicon oxide or oxy-nitride or a high-kdielectric material. Another technique to form capacitors, is to use the depletion region, which is formed between p njunction. The junction capacitance value is important for circuit design since it a ects the speed of the
Industry KR980006332A
In the capacitor forming method according to the present invention, after completing the capacitor, the lower electrode is connected to the substrate by using a conductive layer containing no silicon. Therefore, the lower electrode of the capacitor can be prevented from deteriorating. Capacitor Formation Method in Semiconductor Device Info
Industry Capacitor
A capacitor is a passive component which stores energy as charge in the electrical field between two conducting plates called electrodes. Capacitors can release the stored charge quite fast
Industry Lecture 31: Devices and Integrated Circuit formation
3 Capacitors A capacitor is a dielectric region sandwiched between two electrodes. The simplest dielectric structure is the metal oxide semiconductor (MOS) struc-ture, shown in gure 6. The
Industry KR100280803B1
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a capacitor of a semiconductor device, wherein after forming a charge storage electrode, a nitride film and a Ta 2 O 5 film are sequentially formed to form a dielectric film, and when the heat treatment is performed, grains of Ta 2 O 5 grow to increase surface roughness.
Industry Challenges in high-aspect ratio contact (HARC) etching for
At low ARs (5), these abundant fluxes of CF x and C x F y radicals to the etch front passivate the oxide to form a complex which is then removed by energetic species (ions and hot neutrals) through chemically enhanced reactive etching, resulting in the formation of gas phase SiF x, CO x, and COF. As the etching proceeds into higher ARs, the