Electronic tag radio wave interference, apparel, specialty store shielding measures.
RFID electronic tag shielding measures RFID electromagnetic wave shielding electronic tag electromagnetic wave shielding
We prevented RFID radio wave interference, misreads, and reading errors with a non-combustible SS sheet barrier, improving the success rate of bulk reading of large quantities of products while preventing the reading of non-target electronic tags.
● Before the measures were implemented, the electronic tags (RFID) on the apparel store side were being read by the reader on the back-end side, causing disruptions to operations. However, by spatially separating them with a non-combustible aluminum shield sheet partition (constructed on the back wall to prevent multipath interference, with ceiling installations in some cases depending on the environment), we reduced the impact of mutual interference and resolved the issue, and we are currently expanding renovations to all stores. ● By utilizing RFID and electronic shelf labels together, we can automate necessary parts and allocate limited personnel to areas where human involvement enhances corporate value and the significance of the store, achieving true labor reduction. Recently, due to the strain on radio waves leading to frequency shifts and reconfigurations, as well as an increase in RFID users and other wireless devices, cases of acquired radio interference and other issues have been observed. However, what is expected, considering the characteristics of RFID, is not just labor reduction. ● The non-combustible certified aluminum electromagnetic wave shielding sheet used has obtained F☆☆☆☆ certification and fireproof certification (non-combustible: NM-1776). Its high shielding performance and durability make it user-friendly, and since it can be relatively easily installed in general interior construction, it is expanding its range of applications in various uses where expertise was previously required.
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basic information
Features ● High performance in shielding and heat insulation with aluminum foil sheet instead of aluminum vapor deposition ● Reinforced with fiberglass, double-sided aluminum foil for strength, flexibility, and ease of handling ● Joint sections are less prone to aging performance degradation due to interlocking folds and reinforced aluminum tape ● Installation methods, aging degradation, corrosion performance, etc., have all been tested and verified in our EMC research building ● Extensive track record with composite use with other materials, possessing measurement data.
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Applications/Examples of results
Construction Achievements ● Measures against RFID tag reading errors for apparel, mass retailers, and general supermarkets ● Hospital facilities: EEG room, electromyography room, hearing test room ● Non-combustible thermal insulation sheets: residential buildings, public buildings, kindergartens, offices, factories ● Non-combustible shield SS sheets: numerous shield facilities
Detailed information
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【Backyard Non-combustible Aluminum Shield Sheet Installation】 By applying a non-combustible (required due to interior restrictions) aluminum shield sheet to the backyard side of the store partition, we prevent reading errors of electronic tags displayed on the store wall shelves.
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【Backroom Ceiling Surface Non-combustible Aluminum Shield Sheet Installation】 If there are openings for air conditioning ducts or recessed lighting fixtures near the store partition, and if interference cannot be improved by just the wall surface, a non-combustible aluminum shield sheet will be installed on the ceiling surface as well.
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[Construction: Overlap 10 centimeters] We will overlap and paste to prevent radio wave leakage.
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【Construction: Stapling Overlapping Sections】 The overlapping areas will be secured with a stapler.
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【Construction: Non-combustible aluminum tape for overlapping sections】 To prevent leakage from the overlapping sections, non-combustible aluminum tape is applied and pressed down with a roller for adhesion.
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Regarding Fireproof Certification: Fireproof Material Certification (Non-combustible: NM-1776) In construction under interior restrictions, non-combustible certification is required. 1) Fireproof materials are those materials defined or certified by the Minister of Land, Infrastructure, Transport and Tourism according to their performance classifications of non-combustible, quasi-non-combustible, and flame-retardant. ● When subjected to heat from a typical fire, building materials must meet the following key points: ◎ They must not ignite. ◎ They must not undergo harmful deformation, melting, cracking, or other damage that is hazardous from a fire prevention standpoint. ◎ They must not produce harmful smoke or gases that are dangerous for evacuation. ● Each performance is determined based on the time after heating begins. ◎ Non-combustible performance: 20 minutes after heating begins ◎ Quasi-non-combustible performance: 10 minutes after heating begins ◎ Flame-retardant performance: 5 minutes after heating begins 2) Fireproof performance is certified based on the combination of the substrate material (as per the Ministry of Construction Notification No. 1400, non-combustible materials are defined by the amendments of the Ministry of Construction Notification No. 1400 and the Ministry of Land, Infrastructure, Transport and Tourism Notification No. 1178, as determined by the Minister of Land, Infrastructure, Transport and Tourism) and the construction method.
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【Construction: Partition with Retail Store】 SS sheets are being installed on the back wall and ceiling of the back yard. The scope is being confirmed on-site using a handheld scanner during the installation.
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[Plate Replacement] If there are outlets, switches, etc. installed on the partition wall, there are concerns about interference due to leakage, so please replace the areas using resin decorative plates with new metal (corrosion-resistant aluminum alloy) plates.
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[One Proposal for Cases with Upper Openings] In cases where there is an opening at the top due to smoke compartmentation and other related factors, it may be a viable option to adjust by installing a shield curtain. However, please conduct a legal check and respond at the user's own responsibility. Please be careful to ensure that it does not become illegal.
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Company information
Our mission is to add our unique ideas and know-how to the new materials that are continuously emerging, in order to meet the needs of various industries, and to propose them as new products with added functionalities. Our functional composite materials demonstrate excellent and original capabilities across various fields, including home appliances, precision instruments, medical equipment, construction, and transportation, as well as in areas such as equipment parts, special rooms, and architectural panels, thereby contributing to society. Our pride lies in our development capabilities that continue to lead the industry, reflecting the times and exploring the next generation. We offer a wide range of products for electromagnetic wave countermeasures. Furthermore, we have established a system that allows us to consistently provide everything necessary for effective and efficient implementation, from on-site electromagnetic wave environment measurement and surveys to construction advice and shielding work. Technology is not born overnight. Our employees value a proactive attitude, especially when it comes to "technologies that no one else is doing," "technologies that are deemed impossible," and "unique technologies." Not everything in development is successful; in fact, failures are more common. However, it is also true that the byproduct technologies born from these challenges support our company today.