The invention of printing is a symbol of human civilization. Printing is an accurate, rapid, large-scale, economical reproduction of graphic and textual information that is widely distributed and permanently stored on various substrates. It embodies a kind of ideological, serious, time and artistic characteristics. It is inextricably linked with people's daily life. The dissemination of education culture and the exchange of new scientific and technological knowledge are all based on print. People today can't live without print. In recent years, due to the development of science and technology, the application of new technologies, such as computer plate making, digital printing, and laser, has greatly changed the traditional printing methods and expanded the field of printing. The printing of tickets (vouchers) is a special way.
The printing of tickets (vouchers) can be said to be one of the most closely related to people's daily lives. From commonly used banknotes, bonds, industrial and commercial tax invoices, stocks, cheques, securities, stamps, and even cars, boats, and air tickets, etc. Tickets (vouchers) are related, which is related to individual's rights and interests. For example: If you hold any forged ticket (vouchers), the Ministry will damage its own rights and interests, and even more serious will involve related legal issues. Therefore, ticket (vouchers) printing is not only a professional printing technology, but also a security printing service. It has specific requirements and processes, and it also involves various professional knowledge and technologies, especially in the use of various special technologies. The technique is quite different from general printing. However, this kind of printing is often thought to refer only to the printing of banknotes. Actually, the cheques, shopping invoices, stamps, and stocks that we came into contact with in daily life are all printed on the ticket. In today's rapid economic development, the amount of tickets held and used is greater. Therefore, users who hold and use tickets (vouchers) must not only have the ability to distinguish between genuine and fake, but also have a ticket (vouchers). ) The printing technology should be improved, and the printing process needs to have a deeper understanding. For example, it is possible to determine the authenticity of printed documents (vouchers) based on their understanding of the paper, ink, and printing methods.
one. Definition of the definition of value ticket (voucher): The so-called ticket (vouchers) refers to the special characters, patterns and lines printed on the specially selected anti-counterfeit paper (such as watermarked paper) after being printed in a safe manner. Prints with denominations, such prints can pass through the market, represent tradable value, legal ownership, and officially officially recognized qualifications.
II. Areas of Application of P-vouchers (vouchers)
1. Bank issued tickets (vouchers):
Banknotes, checks, withdrawals, deposits, coupons, passbooks, etc.
2. Government issued tickets (vouchers):
Bonds, invoices, tax receipts, welfare lottery tickets, certificate certificates, etc.
3. Posts issued by the post office (vouchers):
Stamps, money orders, stamps, postcards, etc.
4. Other tickets (vouchers)
Shopping tickets, corporate securities, stocks, cars, boats, tickets, ticket vouchers, etc.
III. Disadvantages of Valuable Tickets (Vouchers) The biggest disadvantage of coupons (vouchers) is the forgery and alteration of some criminal elements. Especially in the era of advanced technology, various new types of copiers and laser printers. With the advent of electronic scanning color separation machines, computer plotters, etc., counterfeit goods have reached a point where they are really confused. For example, on April 6, 1999, during the inspection of large-scale invoices conducted across the country, the issue of invoices was found to be quite serious. Criminals used false invoices, fraudulent taxes, tax evasion and fraud, and committed corruption, bribery, and other crimes. Activities, embezzlement and fraudulent national property seriously disrupted the economic order. It is worth mentioning that even anti-counterfeiting technology itself is also being counterfeited, causing even greater confusion to law enforcement agencies. Therefore, how to prevent counterfeiting or copying is a major issue in the printing and use of tickets (vouchers). This subject is to use the scientific method in the protection, anti-counterfeiting and knowledge and use of price-bearing securities in order to determine its authenticity.
IV. Principles to be followed in the printing and use of valuable tickets (vouchers) 1. Printing and ordering must entrust professional companies with safety management.
2. When designing a ticket (voucher) pattern, a complex pattern (color gradient, microtext, relief effect, manual pattern encryption, etc.) should be used, and the original regular pattern should be changed to a random pattern to prevent imitation.
3. 1 The special security and anti-counterfeiting papers (watermarked papers, patterns can be customized as required) or dry carbon paper should be selected. 2 The raw materials should fully reflect its physical properties (bronzing, concave and convex surface treatment), chemical properties (colorless ink, fluorescent ink, photochromism, transparency, temperature change, magnetic ink, etc.).
4. Codes should be magnetic code and special numbering machines (fonts can be chosen).
5. Time Limit (Lifetime): Any anti-counterfeiting has a time limit, and it must not be changed in order to avoid imitation.
6. Ease of identification: Although any security ticket (voucher) has been produced with tighter anti-counterfeiting measures, it is more necessary for users to easily identify it.
7. Establish a rigorous protection concept: All processes should be treated with the same care as banknotes in order to prevent problems.
V. Identification of authenticity of valuable documents When we hold a valuable print, such as cheques, certificates, banknotes, invoices, etc., once they are identified as counterfeit goods, the rights and interests of the holders are immediately damaged. Therefore, it is necessary to have some knowledge of identifying the authenticity of tickets (vouchers) so that timely measures can be taken to safeguard their rights and interests.
(I) Identification of paper The paper is mainly composed of plant fibers and auxiliary materials, plus special treatment. Its main physical properties are: durability, tear resistance, resistance to strokes, smooth surface, easy writing, and a sense of value. Therefore, it can be identified from the following aspects:
1. The security paper has no depth of watermark or watermark. Illumination of light or comparison of two identical tickets (vouchers) can be used to identify frauds.
2. The color and position of the dark line. The general paper does not need to put dark lines, only special paper (coupon) paper, there are many different colors of dark lines, in the production of a single color or multi-color mixing, if the position, color is the authentic Of course, sometimes slight differences are not counterfeits, but errors in production.
3. The structure of special filaments. According to the characteristics of different documents (vouchers), the production of different fiber filaments and their distribution are also different, sometimes colored visible fiber filaments, but also invisible fiber filaments. Both are under ultraviolet light, which can be reflected by fluorescence. There are different colors and special structures. These are the key points for identification.
4. The thickness and evenness of the paper. The thickness and evenness of paper can be seen through light or light to see if the distribution is even and can be identified by hand.
(B) the identification of ink Identification of ink is a more professional method, most people can not easily identify.
Ink is a combination of pigments and some additives. It can be distinguished from the following methods:
1. Color color: Carefully observe the color of the printed matter is correct and bright, and has a glossy.
2. Texture: Letterpress and gravure prints often have strong texture and bright colors. You can use your hands to directly touch the surface with convex and concave feelings. Plain printing shows the pattern is more even and the pattern is lighter.
3. Water resistance: According to the different printing products. Water-resistant inks can be selected. If there are any price certificates (vouchers) to prevent the use of water, alcohol and other liquids to change the face of the ticket, the use of water-soluble ink, making it difficult to achieve the purpose.
4. Lightfastness: Inferior inks often fade after exposure to intense ultraviolet light and sunlight for a certain period of time.
5. Abrasion resistance: According to the different printing products, some often use ink with strong abrasion resistance to prevent alteration.
6. Special ink:
1 Fluorescent ink: This ink is fluorescent under ultraviolet light irradiation. Divided into colored and colorless fluorescent inks.
2 Photo-induced variable inks: The ink's special features are colorless, easy to distinguish between authenticity and counterfeiting. Identify only in two seconds under the violet light or in the sunlight.
(3) Different ways of identifying the printing methods Printing methods also show different characteristics. These characteristics also bring favorable conditions for identification. The following briefly describes the characteristics of several commonly used printing methods:
1. Lithography: is a commonly used indirect printing method, characterized by the average imprint, imprinted around the same, ink printing ink is lighter, the ink layer is thinner, the color brightness is lower.
2. Letterpress printing: It is a kind of commonly used direct printing method, which is characterized by a thick ink layer and a strong glossiness. When a printed image is observed with a magnifying glass, the lines, the drawings are surrounded by empresses, burrs, and the strokes are not neat.
3. Gravure printing: It is a kind of special printing method, which is characterized by thick ink layer and strong gloss. (Fan Shiyun) ("Printing World")
The printing of tickets (vouchers) can be said to be one of the most closely related to people's daily lives. From commonly used banknotes, bonds, industrial and commercial tax invoices, stocks, cheques, securities, stamps, and even cars, boats, and air tickets, etc. Tickets (vouchers) are related, which is related to individual's rights and interests. For example: If you hold any forged ticket (vouchers), the Ministry will damage its own rights and interests, and even more serious will involve related legal issues. Therefore, ticket (vouchers) printing is not only a professional printing technology, but also a security printing service. It has specific requirements and processes, and it also involves various professional knowledge and technologies, especially in the use of various special technologies. The technique is quite different from general printing. However, this kind of printing is often thought to refer only to the printing of banknotes. Actually, the cheques, shopping invoices, stamps, and stocks that we came into contact with in daily life are all printed on the ticket. In today's rapid economic development, the amount of tickets held and used is greater. Therefore, users who hold and use tickets (vouchers) must not only have the ability to distinguish between genuine and fake, but also have a ticket (vouchers). ) The printing technology should be improved, and the printing process needs to have a deeper understanding. For example, it is possible to determine the authenticity of printed documents (vouchers) based on their understanding of the paper, ink, and printing methods.
one. Definition of the definition of value ticket (voucher): The so-called ticket (vouchers) refers to the special characters, patterns and lines printed on the specially selected anti-counterfeit paper (such as watermarked paper) after being printed in a safe manner. Prints with denominations, such prints can pass through the market, represent tradable value, legal ownership, and officially officially recognized qualifications.
II. Areas of Application of P-vouchers (vouchers)
1. Bank issued tickets (vouchers):
Banknotes, checks, withdrawals, deposits, coupons, passbooks, etc.
2. Government issued tickets (vouchers):
Bonds, invoices, tax receipts, welfare lottery tickets, certificate certificates, etc.
3. Posts issued by the post office (vouchers):
Stamps, money orders, stamps, postcards, etc.
4. Other tickets (vouchers)
Shopping tickets, corporate securities, stocks, cars, boats, tickets, ticket vouchers, etc.
III. Disadvantages of Valuable Tickets (Vouchers) The biggest disadvantage of coupons (vouchers) is the forgery and alteration of some criminal elements. Especially in the era of advanced technology, various new types of copiers and laser printers. With the advent of electronic scanning color separation machines, computer plotters, etc., counterfeit goods have reached a point where they are really confused. For example, on April 6, 1999, during the inspection of large-scale invoices conducted across the country, the issue of invoices was found to be quite serious. Criminals used false invoices, fraudulent taxes, tax evasion and fraud, and committed corruption, bribery, and other crimes. Activities, embezzlement and fraudulent national property seriously disrupted the economic order. It is worth mentioning that even anti-counterfeiting technology itself is also being counterfeited, causing even greater confusion to law enforcement agencies. Therefore, how to prevent counterfeiting or copying is a major issue in the printing and use of tickets (vouchers). This subject is to use the scientific method in the protection, anti-counterfeiting and knowledge and use of price-bearing securities in order to determine its authenticity.
IV. Principles to be followed in the printing and use of valuable tickets (vouchers) 1. Printing and ordering must entrust professional companies with safety management.
2. When designing a ticket (voucher) pattern, a complex pattern (color gradient, microtext, relief effect, manual pattern encryption, etc.) should be used, and the original regular pattern should be changed to a random pattern to prevent imitation.
3. 1 The special security and anti-counterfeiting papers (watermarked papers, patterns can be customized as required) or dry carbon paper should be selected. 2 The raw materials should fully reflect its physical properties (bronzing, concave and convex surface treatment), chemical properties (colorless ink, fluorescent ink, photochromism, transparency, temperature change, magnetic ink, etc.).
4. Codes should be magnetic code and special numbering machines (fonts can be chosen).
5. Time Limit (Lifetime): Any anti-counterfeiting has a time limit, and it must not be changed in order to avoid imitation.
6. Ease of identification: Although any security ticket (voucher) has been produced with tighter anti-counterfeiting measures, it is more necessary for users to easily identify it.
7. Establish a rigorous protection concept: All processes should be treated with the same care as banknotes in order to prevent problems.
V. Identification of authenticity of valuable documents When we hold a valuable print, such as cheques, certificates, banknotes, invoices, etc., once they are identified as counterfeit goods, the rights and interests of the holders are immediately damaged. Therefore, it is necessary to have some knowledge of identifying the authenticity of tickets (vouchers) so that timely measures can be taken to safeguard their rights and interests.
(I) Identification of paper The paper is mainly composed of plant fibers and auxiliary materials, plus special treatment. Its main physical properties are: durability, tear resistance, resistance to strokes, smooth surface, easy writing, and a sense of value. Therefore, it can be identified from the following aspects:
1. The security paper has no depth of watermark or watermark. Illumination of light or comparison of two identical tickets (vouchers) can be used to identify frauds.
2. The color and position of the dark line. The general paper does not need to put dark lines, only special paper (coupon) paper, there are many different colors of dark lines, in the production of a single color or multi-color mixing, if the position, color is the authentic Of course, sometimes slight differences are not counterfeits, but errors in production.
3. The structure of special filaments. According to the characteristics of different documents (vouchers), the production of different fiber filaments and their distribution are also different, sometimes colored visible fiber filaments, but also invisible fiber filaments. Both are under ultraviolet light, which can be reflected by fluorescence. There are different colors and special structures. These are the key points for identification.
4. The thickness and evenness of the paper. The thickness and evenness of paper can be seen through light or light to see if the distribution is even and can be identified by hand.
(B) the identification of ink Identification of ink is a more professional method, most people can not easily identify.
Ink is a combination of pigments and some additives. It can be distinguished from the following methods:
1. Color color: Carefully observe the color of the printed matter is correct and bright, and has a glossy.
2. Texture: Letterpress and gravure prints often have strong texture and bright colors. You can use your hands to directly touch the surface with convex and concave feelings. Plain printing shows the pattern is more even and the pattern is lighter.
3. Water resistance: According to the different printing products. Water-resistant inks can be selected. If there are any price certificates (vouchers) to prevent the use of water, alcohol and other liquids to change the face of the ticket, the use of water-soluble ink, making it difficult to achieve the purpose.
4. Lightfastness: Inferior inks often fade after exposure to intense ultraviolet light and sunlight for a certain period of time.
5. Abrasion resistance: According to the different printing products, some often use ink with strong abrasion resistance to prevent alteration.
6. Special ink:
1 Fluorescent ink: This ink is fluorescent under ultraviolet light irradiation. Divided into colored and colorless fluorescent inks.
2 Photo-induced variable inks: The ink's special features are colorless, easy to distinguish between authenticity and counterfeiting. Identify only in two seconds under the violet light or in the sunlight.
(3) Different ways of identifying the printing methods Printing methods also show different characteristics. These characteristics also bring favorable conditions for identification. The following briefly describes the characteristics of several commonly used printing methods:
1. Lithography: is a commonly used indirect printing method, characterized by the average imprint, imprinted around the same, ink printing ink is lighter, the ink layer is thinner, the color brightness is lower.
2. Letterpress printing: It is a kind of commonly used direct printing method, which is characterized by a thick ink layer and a strong glossiness. When a printed image is observed with a magnifying glass, the lines, the drawings are surrounded by empresses, burrs, and the strokes are not neat.
3. Gravure printing: It is a kind of special printing method, which is characterized by thick ink layer and strong gloss. (Fan Shiyun) ("Printing World")
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