(Ink and Paper Take Center Ring in Security Market) With the increasing understanding of the damage to fakes and documents, people have already brought paper and ink to a new height. In a securely printed product, it can be seen that the ink discolors as the person touches it; the paper reacts with bleach (a means of modifying the check) to become dirty, the center ring flashes under ultraviolet light, and there is also a Internal watermarks. Making documents unprotected is like facing a lion without a whip. Recently many things have made end users and sellers see the importance of security features. The U.S. Government Accounting Office estimated that the damage caused by the forged identity card amounted to US$2.8 billion. The product development manager of an ink supplier in Rochester, New York, said that in order to prevent the theft of printed stocks and bond certificates, some companies are considering adding metal components to their products and installing metal detectors in factories. Some suppliers and manufacturers report that people are even down to using household products such as brake fluid and nail rust to change checks. The two main approaches to making documents safe are worth taking into account paper and ink. Many sellers are most concerned with protecting checks, and other documents such as gift cards, license plates, transactional notes, stocks and bonds, education certificates and legal documents can also benefit from security features. The following points are discussed in terms of ink and paper. I. Ink Many safety inks can indicate that the document has been changed or prove that an original is true. Here are some details about some of the safety inks: 1. Chemical solvent reaction inks: These inks and erasers, bleach, water or other The solvent will disappear, fade, and become dirty when it comes into contact. Reacts with the solvent. The ink is printed in a background area or in an area of ​​the document. For example, when the number of cheques stamped with this type of ink does not require equipment verification, the bank staff and others do not need much training, because check changes are easily detected. Criminals may try to use any agent from bleach to window cleaners to alter the area of ​​a check, an area of ​​signature or other information. Depending on the ink type, the ink will disappear, fade, and become dirty when changed. Although these inks are used in many documents to prevent damage, one of its main applications is discount cheques. The cheques are sent directly to the customer's home, where chemicals are already ready. Chemically sensitive inks are evaluated by the ANSI X9B10 committee. Their ability to prevent changes is strong. 3/10 of this capacity is to prevent erasure, and 7/10 is to prevent reaction with bleach and other solvents. 2. Compound: Color copiers and scanners usually cannot reproduce the composite colors of some ink pigments. Such as brown, yellow and gray. Replicas can only exhibit the color of a pigment. Prismatic Printing Company has invested in a device that prints two colors or more simultaneously from a single printing unit and prints one at a time. The appearance of the printing is a step gradient on the print. This feature must be enabled. Employees who use this characterization document must know what the original is. 3. Erasable inks Erasable inks provide a clearly visible indication, often used to print background colors. If someone wants to change the check, the ink will be erased. A bright or light-colored solid background is most effective because erasing can be significant and the background is not easily copied by a color copying machine. Erasable inks come in a variety of colors, including fluorescent light. One of its applications is hotel guest checks. The check includes a background area printed with erasable ink. If the customer tries to change the total by erasing, the colored background will disappear. 4. Fluorescent ink This ink, which is sometimes invisible to the naked eye, emits light under ultraviolet or infrared light. Due to its conversion and hidden features, and its inability to be accurately reproduced on a color copying machine, the ink is used in certain applications. The more common it is. Some parts of the cheque, such as the MICR line, can be made fluorescent, or a whole block of cheques is characterized by fluorescent colors. For example: fake watermarks are sometimes printed with fluorescent inks. Many of the world's currencies use fluorescent inks, and inspection equipment for inks, such as: UV lamps are relatively standard in banks or financial centers. Visible fluorescent inks include a wide range of colors. Fluorescent inks are only effective under UV or IR light, so common applications include checks, transactional notes, gift certificates, and other applications. The environment in which the ink is used should benefit devices that have ultraviolet or infrared light. For example, many liquor stores may not have UV light, and a dimly lit bar is suitable for UV work. 5. Infrared ink This ink absorbs or reflects infrared light. When a box of black infrared ink is printed on a message, the ink is used to cover the "true" or "original" information. This information can only be read under the infrared light. The information itself can also be printed with infrared ink and can only be displayed under infrared light. Just like using fluorescent inks, the person who verifies the document must have the knowledge of the ink presentation and the appropriate equipment. 6. Permeation ink Penetration ink is commonly used to imprint MICR data on cheques. The ink penetrates the bottom layer and displays the printed material on the back of the document. Digital changes and other information can be detected by comparing the positive and negative jobs without any equipment. In some special cases, invisible fluorescent ink can be used as a cover feature to provide special security. Penetration ink can be used on a cash register to prevent customers from changing information in order to obtain more money from the rebate, and the ink can also prevent copying of the record slip. 7. Thermal Chrome Ink This ink is also called a thermal ink. When a person touches a document, the ink will change color due to the human body temperature and change back to the original color when it is no longer touched. The ink is now being used on medical prescriptions to reduce medical fraud. The general heat-sensitive chromium ink is printed on the appropriate side of the patient's name, age, address, and date. The ink will automatically disappear when touched. Because the inspection does not require any equipment, in order to encourage the transportation and sale of the original goods, the ink is also used on the designer's clothing label. A hidden message such as "original" or "authentic product" can also be printed with the ink, touch or Information disappears when sharpening, which simplifies the verification of the original. There are many kinds of color transformations, from blue to colorless, from orange to yellow to red to colorless. A dual-grade thermal chromium ink that will discolor it and sharpen it to make it continue to change to a different color. The color-to-tinted thermal chromic inks are mainly used for direct mailing, advertising, and promotional materials, packaging, labeling, educational and learning aids, stationery, and other novelties; the color-to-colorless thermal chrome inks are mainly used. For security documents, because even a color blind can identify colored to colorless transitions and test documents. Many suppliers offer rub-colored inks, however the discoloration of this ink is due to rubbing rather than body temperature. Just like with a carbon-free coating, the ink is packaged and coated and the inspector is required to scrape it with a fingernail or object to discover the information. The sharpening/revealing ink exhibited at a joint venture, unlike the thermal chrome ink, does not return to its original color. It also undergoes chemical changes, and the ink automatically turns blue or partially blue automatically when it comes into contact with chemicals. Sharpen / reveal ink for documents, important cheques, and can be published or hidden printing. Second, paper security Paper is a part of the rapid increase in the paper industry, it can display file interference to prevent file theft. There are many companies in the United States that are beginning to provide security paper. Many of the technologies discussed below (not exactly) are provided by several paper manufacturers. Some companies offer several types of paper. 1. Chemical reaction paper This paper reacts with the following solvents: bleach, brake fluid, nail rust remover, gasoline, kerosene, paint thinner, and turpentine. When reacting with a solvent, the paper turns to another color or shows a multi-symbol of useless information. 2. Safety Fibers and Marking Materials Paper manufacturers offer a variety of raw materials for the production of safety paper, such as hidden or open fibers, marking materials, and the like. Hidden materials such as fluorescent fibers and marking materials can all be tested with UV light. Like fluorescent security inks, fluorescent fibers and marking materials cannot be copied or scanned because they cannot be accurately reproduced. 3. Paper Curing Paper This paper is believed to be easier to "adsorb" laser printing toner than plain paper. This feature makes it difficult for criminals to use tape to remove toner from documents and change checks or other information. This point is designed for end users who use lasers to print checks. 4. UV dull/dead paper (dull: partially transmitted light or reflected light; dead: opaque or non-reflecting light) UV dull paper extracts most of the fluorescent color from the paper, and UV dead paper has no fluorescent color at all. Therefore, it is generally not sold in Office Supply stores and will not be provided to counterfeiters. Fluorescent ink-printed watermarks on UV dull/dead paper will be brighter under UV light because paper does not affect the watermark. 5. Watermarks There are many types of watermarks for secure documents, such as weblike watermarks, which are applied to a group of paper machines by imprinting an image onto the paper when the paper is wet. When facing the light, this watermark can be seen from both sides of the document. Artificial watermarks can also appear on both sides. Sometimes it looks like a real watermark. It's just cheaper than a real watermark because it doesn't include the cost of molding. Both watermarks are difficult to copy. Artificial or fake watermarks can be printed with fluorescent inks, so they glow under ultraviolet light. three. The successful use of security features for future security printing is the level of knowledge and correct use of document inspectors. For some suppliers, how to teach end users and document inspectors to detect the security features based on ink and paper is a big problem. Some suppliers rely on manufacturers to teach customers, or ask manufacturers to hold workshops for their customers. The replacement of end users who use machine inspection documents in the future can eradicate education issues. So machine-readable security features will become more and more important. The key to the problem is how to teach people to find these features and who is responsible for teaching them. Because a company with an effective security profile often changes their security features, both old employees and novices must be trained frequently. So on the premise that the machine can complete the inspection work, people are not willing to always receive training. Whether it is machine inspection or manual inspection, the safety features that neutralize ink and paper are generally better than those based on ink or paper alone. Techniques that include secure printing, such as the void scaler and microprinting, are also recommended. The more security features a document contains, the less likely it is for fraudsters to compromise the document.
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