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 have improved the success rate of bulk reading of large quantities of products by preventing interference, misreads, and reading errors of RFID signals with a non-combustible SS sheet barrier, which also prevents 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 in operations. However, by spatially separating them with a non-combustible aluminum shield sheet partition (constructed on the back-end wall to prevent multipath interference, with ceiling installation examples 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, allowing us to allocate limited personnel to areas where human involvement enhances corporate value and the significance of the store, thus achieving true labor reduction. Recently, due to the pressure 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 obstacles have been observed. However, considering the characteristics of RFID, what is expected 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 because it can be relatively easily installed in general interior construction, it is expanding its range of applications in various uses where specialized skills were previously required.
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basic information
Features ● High performance in both shielding and heat insulation with aluminum foil sheets instead of aluminum vapor deposition. ● Reinforced with fiberglass, double-sided aluminum foil for durability, flexibility, and ease of handling. ● The joints are secured with a fold and reinforced with aluminum tape, resulting in minimal performance degradation over time. ● Installation methods, aging degradation, corrosion performance, etc., have all been verified through tests conducted at our EMC research facility. ● There are many proven results from combined use with other materials, and we possess measurement data.
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Applications/Examples of results
Construction Achievements ● Measures against RFID tag reading errors in apparel, mass retailers, and general supermarkets ● Hospital facilities: EEG room, electromyography room, hearing test room ● Non-combustible heat-insulating sheets: residential buildings, public buildings, kindergartens, offices, factories ● Non-combustible shield SS sheets: numerous shielded 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 misreading 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 the overlapping parts. 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 to ensure 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 detrimental to fire safety. ◎ They must not produce harmful smoke or gas that could impede evacuation. ● Each performance is determined by 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 to Ministry of Construction Notification No. 1400 and 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 factors, it may be a viable option to adjust by installing a shield curtain. However, please conduct a legal check and address this 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 exhibit excellent and original features across various fields, including home appliances, precision equipment, medical devices, construction, and transportation, as well as in areas such as equipment parts, special rooms, and architectural panels, thereby serving everyone effectively. "Reflecting the times and exploring the next generation" is our pride in our continuous development capabilities that lead the industry. We offer a variety of electromagnetic wave countermeasure products. Furthermore, to carry out these measures effectively and efficiently, we have established a system that allows us to conduct electromagnetic wave environment measurements, field surveys, construction advice, and shielding work consistently. Technology is not born overnight. Our employees cherish a proactive attitude towards "technologies that no one is doing," "technologies that are deemed impossible," and "unique technologies." In development, not everything is successful; in fact, failures are more common. However, it is also true that the byproduct technologies born from challenges support our company today.