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The style and manufacturing price is astronomical here

The style and manufacturing price is astronomical here

IC chip supplier

In a surprising move at any given time the U.S. opposes the Asian nation’s goal of dominating next-generation technologies IC chip supplier, China wants foreign investment in its intend to become a world-class player in semiconductors.

As section of efforts to scale back an overwhelming reliance upon foreign technology, the Chinese government build a fund that aims to boost up to 200 billion yuan (US$31.7 billion) to back a spectrum of domestic firms from processor designers to equipment makers.

The new silicon carbide differential amplifier integrated circuit chip may provide benefits to anything requiring long-lasting electronic circuits in incredibly hot environments for instance jets, spacecraft and industrial machinery.

In particular, NASA said SiC applications will incorporate energy storage, sustainable energy, nuclear power, electrical drives. The use of the high temperature packaging and operation of SiC power modules due to the power electronics equipment will take about the important things about increase in power density, decrease in heat sink requirements (thus smaller size and mass), greater frequency operation that results in lower mass with the filters and transformers.

At these nodes, chipmakers may require new equipment, for instance the next version of extreme ultraviolet (EUV) lithography. New deposition, etch and inspection/metrology technologies are also from the works.

Needless to express, the style and manufacturing price is astronomical here. The design cost to get a 3nm chip is $650 million, as compared to $436.3 million for any 5nm device, and $222.3 million for 7nm, in line with IBS. Beyond those nodes, it’s too early to state how much a chip costs.

Not all designs require advanced nodes. In fact, rising price is prompting many for more information on other options Analog ICs, like advanced packaging. One way to get the great things about scaling is as simple as putting advanced chips inside a package.

  • tomasz.pindar@gmail.com

    How to maintain and maintain lead-acid batteries

    Created by Holbrook Smith

    Do you know how to maintain and maintain lead-acid batteries? If you don’t know, then Jotrin will give you a detailed introduction.

    Lead-acid batteries are widely used in automobiles, inverters, backup power systems, etc. Unlike tubular and maintenance-free batteries, lead-acid batteries require proper care and maintenance to extend their service life. Lead-acid batteries consist of a series of plates immersed in a sulfuric acid solution. These plates have a grid on which the active material is attached. The plates are divided into positive plates and negative plates. The positive plate contains pure lead as an active material, and lead oxide adheres to the negative plate.


    For connection, all positive plates are connected in series, and one end is exposed as a positive terminal. Likewise, all negative plates are connected and connected to the negative terminal. Start or start is also called SLI (Start Light Ignition) battery, which can provide high current to start the engine in cars and generators. Compared with other lead-acid batteries, they have more plates. Deep cycle batteries are designed for many charge/discharge cycles and have thicker plates.


    A fully charged battery can discharge its current when connected to a load. During the discharge process, sulfuric acid combines with the active materials on the positive and negative plates, resulting in the formation of lead sulfate. In this process, hydrogen atoms from sulfuric acid react with oxygen to form water. This causes electrons to be released from the positive plate, which will be accepted by the negative plate. This causes a potential to develop across the battery. The electrolyte in lead-acid batteries is a mixture of sulfuric acid and water with specific gravity. The specific gravity is the weight of the acid-water mixture compared to an equivalent amount of water. The specific gravity of pure free ion water is 1.


    Inside the battery, there are arrays of battery cells called batteries. In a 12-volt battery, there are six batteries, and each battery has a rated voltage of 2 volts. The current transmission capacity of lead-acid batteries is usually expressed as Ah (ampere-hour). One Ah is equal to 3600 Coulomb charge. Ah is the ability of a battery to provide 1 ampere of current in 1 hour. Therefore, a 100Ah battery can provide 1 ampere of current for 100 hours. The battery rating is based on the discharge rate through the load within a certain period of time. For example, a 100Ah battery is discharged for 20 hours at a rate of 5 amps. The battery cycle is defined as a complete discharge and charge cycle. This cycle is usually from 100% charge to 20% charge, and then from 20% to 100%. If you discharge and charge the battery regularly, you can make the battery healthy. Discharging deeply to 50% and then recharging to 100% every day will increase battery life. Therefore, it is best to discharge and charge the inverter and emergency battery every day or at least every two days. Starting and charging the car battery every day can extend its life.


    Adding water is another important aspect of battery maintenance. When the battery is discharged and charged, a violent chemical reaction occurs and heat is generated. This will evaporate the water inside the battery and the specific gravity of the electrolyte will change. Therefore, if the water level drops below the required water level, distilled water without ions must be used to add water to the battery. Do not add too much water, as it may short-circuit the battery plates. If the battery is not used, a 4% self-discharge occurs every week. For example, if discharging through the load is not allowed, the 125Ah inverter battery will self-discharge with a current of 5 amps per week.


    To keep the battery in good condition, the battery must be balanced. Due to aging, all batteries charge unevenly. Some batteries charge quickly, while others charge slowly. Equalization can be done by overcharging the battery slightly so that the weaker battery is also fully charged. The terminal voltage of a fully charged 12-volt car battery is 13.8 volts, while the battery voltage of a 12-volt tubular battery is 14.8 volts.


    Sulfuration is another factor that affects battery efficiency. During the discharge process, lead sulfate will be formed, which will accumulate on the board. This prevents the discharge and acceptance of electric charges. However, these lead sulfate crystals will be removed during water injection and charging, so it is best to charge immediately after filling with water. If lead sulfate accumulates too much, a desulfurization device must be used for desulfurization (it provides current pulses to remove lead sulfate crystals). It is also possible to remove lead sulfate by removing the electrolyte from the battery, washing it with distilled water, and filling it with fresh acid water.

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