Ic distribution and function of the smart card memory card pvc profile do membership cards, IC card memory card is much greater than is generally divided into four storage area. 1. Open (not secret) storage area containing public information, such as the issue of identifiers, such as the cardholder's account. 2. Unreadable content of external memory area is used for internal decision-making, such as PIN value that is written to personalize treatment at the time of card issuance, after the user enters the correct PIN value, allowing to enter a new PIN value modified, but in any case, do not allow the PIN value stored in the card sent to the outside. In the storage area may also be stored keys. 3. Confidential storage area containing the book balance, allowing service types and limits card and so on. When the cardholder to enter the correct PIN value, allowing the memory to read data and write the correct data (such as modifying the balance) depending on the application. 4. Recorded in the region containing the details of each transaction card companies do manufacturers, called the log, available for queries. In addition to external memory card do card pvc card, IC card, as well as in other logic circuits or emblem processor, providing safe and reliable service. Beijing membership card printing company manufacturers Descriptions smart IC card which industries can be applied to the use of cards in today's society is very extensive, smart card which can then produce industry services? The main production of the product types and the main areas of application of the following 1 dress shoes: membership cards, loyalty cards, VIP cards, clothing tag, advertising cards, warranty cards, employee cards, etc.; 2 Beauty Club: Beauty cards, membership cards , recharge cards, VIP, Platinum, Silver, Diamond, etc. 3 financial tax department: credit card, bank card, debit card (ATM card), tax cards, payment cards, four hotels: VIP, VIP card, tag cards, door cards, access cards, etc.; 5 supermarkets: Credit card, pick cards, stored value cards, VIP cards, cash cards, discount cards, gift cards, service cards, membership cards, gift cards, etc. 6 School and Library: Campus card, student card, library card, card readers, electronic meal ticket, card, etc.; 7 aviation and other: luggage tag, tag, eight enterprises: time cards, dining cards, merchandise. warranty card, credit card products, warranty card, certificate, badges, Haopai nine hospitals: medical card, medical card, social security card, medical card, rehabilitation cards, medical cards, visiting cards, charge cards, patient dining cards, etc.; 10 telecommunications and IT industries:. IC cards, phone cards, prepaid cards, IP cards, network cards, game cards, cards, Q coins cards; 11 Tourism: Parks charge card, ticket cards, commemorative, Travel Network membership card, co-branded cards, such as Beijing Orient million cards, membership cards pvc cards [do], do card provided by Orient million cards. Search for "membership cards, magnetic stripe cards, Gold, Silver, transparent card, IC card, pvc card, VIP" fly suppliers, network operators choose to have the whole alliance certification: Beijing Oriental one hundred million Smart Card Technology Co., Ltd. (www.dfykzk.com), trustworthiness and reliability, "Business League call" on the page now click on live chat with us now!