HK UPPERBOND INDUSTRIAL LIMITED
| Payment Terms | 50% front payment |
| Supply Ability | 10000 pcs/month |
| Delivery Time | 5-8 days |
| Packaging Details | Carton |
| Machine Applicable | Cigarette Maker |
| Sea transportation | With larger orders only |
| Sample | Only When Charged |
| Customizable edge | Positive |
| Color | Grey / Silver |
| Brand Name | Upperbond |
| Model Number | Maker |
| Certification | CE, ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | 50% front payment | Supply Ability | 10000 pcs/month |
| Delivery Time | 5-8 days | Packaging Details | Carton |
| Machine Applicable | Cigarette Maker | Sea transportation | With larger orders only |
| Sample | Only When Charged | Customizable edge | Positive |
| Color | Grey / Silver | Brand Name | Upperbond |
| Model Number | Maker | Certification | CE, ISO |
| Place of Origin | China | ||
| High Light | Kretek Packing Units Irfz44nl Transistor ，Cigarette Maker Irfz44nl Transistor | ||
Super King Size 7.8*100mm Kretek Packing Units Switch Irfz44nl Transistor
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. Transistors are one of the basic building blocks of modern electronics. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit.
1. All-Transistor Car Radio
The first "production" all-transistor car radio was developed by Chrysler and Philco corporations and it was announced in the April 28, 1955 edition of the Wall Street Journal. Chrysler had made the all-transistor car radio, Mopar model 914HR, available as an option starting in fall 1955 for its new line of 1956 Chrysler and Imperial cars which first hit the dealership showroom floors on October 21, 1955.
2. Silicon Transistor
The first working silicon transistor was developed at Bell Labs on January 26, 1954, by Morris Tanenbaum. The first commercial silicon transistor was produced by Texas Instruments in 1954. This was the work of Gordon Teal, an expert in growing crystals of high purity, who had previously worked at Bell Labs.
3. Mass Production
In the 1950s, Egyptian engineer Mohamed Atalla investigated the surface properties of silicon semiconductors at Bell Labs, where he proposed a new method of semiconductor device fabrication, coating a silicon wafer with an insulating layer of silicon oxide so that electricity could reliably penetrate to the conducting silicon below, overcoming the surface states that prevented electricity from reaching the semiconducting layer. This is known as surface passivation, a method that became critical to the semiconductor industry as it later made possible the mass-production of silicon integrated circuits.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2007
Employee Number:
100~200
Ecer Certification：
Verified Supplier
COMPANY PROFILE HK UPPERBOND INDUSTRIAL LIMITED, an innovative company that specializes in manufacturing and distribution of tobacco machinery and spare parts, as well as providing top-notch technical services to tobacco industry. Our comprehensive range of products includes Heat-N... COMPANY PROFILE HK UPPERBOND INDUSTRIAL LIMITED, an innovative company that specializes in manufacturing and distribution of tobacco machinery and spare parts, as well as providing top-notch technical services to tobacco industry. Our comprehensive range of products includes Heat-N...
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