Anti-Metal NFC Tags: Sɛnea Wɔyɛ Adwuma & Sɛnea Wɔpaw

Anti-dadeɛ NFC tag yɛ NFC tag a wɔde ferrite anaa magnetic shielding layer a ɛda antenna ne dadeɛ a ɛte so no ntam, enti ɛkɔ so yɛ adwuma wɔ nnwinnadeɛ, mfiri, kabinet, control panels, ne metal packaging so. NFC sticker a wɔahyɛ da ayɛ a wɔde si dade so tẽẽ no taa di nkogu: dade no detunes antenna no na ɛtwetwe ahoɔden a tag no hia na ama ayɛ adwuma no. Sɛ wo tag no bɛhyɛ dadeɛ ani anaa ɛbɛn a, wuhia on-metal (ferrite-backed) tag, na ɛsɛ sɛ wosɔ hwɛ wɔ soro ankasa no so ne fon ankasa ansa na woakra wɔ nne mu.

Saa akwankyerɛ yi kyerɛkyerɛ nea enti a ɛte saa muNFC tag ahorow a ɛyɛ mpapahwekwastruggle on metal, sɛnea anti-metal NFC tags di ɔhaw no ho dwuma, sɛnea ahorow ne chips ahorow no de toto ho, ne ɔkwan a mfaso wɔ so a wobɛfa so apaw, asɔ ahwɛ, na woatɔ tag a ɛfata ama wo adwuma no.

Mmuae a Wɔde Ma Ntɛmntɛm

Fa NFC sticker a wɔahyɛ da ayɛ di dwuma wɔ plastic, ahwehwɛ, nnua, anaa krataa so. Fa anti-metal NFC tag (a wɔsan frɛ no on-metal NFC tag anaa metal-mount NFC label) di dwuma bere biara a wɔde tag no ahyɛ dade so anaasɛ ɛbɛtena nea ennu milimita kakraa bi fi ho. Ferrite a ɛwɔ so no bɔ antenna no ho ban fi dade no ho, na ɛsan de ahotoso a ɛwɔ akenkan mu ba a wɔbɔ ka tag a ɛyɛ den kakra a ne bo yɛ den no.

Dɛn Nti na Standard NFC Tags Nnyɛ Adwuma Yiye Wɔ Metal So?

NFC yɛ near-field mfiridwuma a ɛyɛ adwuma wɔ 13.56 MHz. Wɔnam magnetic field ketewaa bi so na ɛka akenkanfo (wo fon) ne tag no bom, na tag no twetwe ne tumi nyinaa fi saa field no mu. Battery biara nni passive NFC tag mu. Wubetumi akenkan pii afa mfitiasesɛm a ɛwɔ...NFC Forum no mfiridwuma ho nsɛm.

Sɛ wode tag a ɛyɛ daa bata dade so petee a, nneɛma abiɛsa yɛ adwuma tia wo. Dade no yɛ adwuma te sɛ loop a wɔatwa ho ahyia tiawa-na ɛtwetwe ahoɔden fi afuw no mu (eddy currents), enti ahoɔden kakraa bi na ɛkɔ chip no mu. Dade no nso dan antenna no tuning fi 13.56 MHz, ɔhaw a mfiridwumayɛfo frɛ no detuning. Awiei koraa no, dade no kyinkyim afuw a atwa tag no ho ahyia no nsusuwii. Sɛ wɔka saa nsunsuanso ahorow yi bom a, ɛkyerɛ sɛ ebia tag no renboaboa ahoɔden a ɛdɔɔso ano sɛnea ɛbɛyɛ a ɛbɛsɔre koraa.

Wɔ nneyɛe mu no, NFC sticker a wɔahyɛ da ayɛ a ɛwɔ dade so no taa da sɛnkyerɛnne ahorow yi mu biako anaa nea ɛboro saa adi:

• Ɛntumi scan koraa, sɛ wɔde telefon no mia so tẽẽ mpo a.
• Ɛkame ayɛ sɛ akenkan kwan no hwe ase ma ɛnyɛ hwee, enti ɛsɛ sɛ telefon no ka beae ketewaa bi a ɛyɛ dɛ.
• Ɛyɛ nea ɛte nka kɛse wɔ anim, na sɛ ɛdannan ketewaa bi a, ɛma akenkan no bubu.
• Ɛyɛɛ adwuma yiye wɔ adwumayɛbea no so nanso bere a wɔde ahyɛ mfiri no so pɛ no, egyaee adwuma.

Saa asɛm a etwa to no ne nea ɛho ka yɛ den sen biara: tag a wɔapene so wɔ pon a ɛyɛ tratraa so no betumi adi nkogu wɔ afuw mu. Eyi nti na ɔfasu a wosɔ hwɛ wɔ so no ho hia te sɛ tag no ankasa no.

Sɛnea Anti-Metal NFC Tags Yɛ Adwuma?

Anti-dade NFC tag de ferrite (ade a ɛyɛ mmerɛw wɔ magnetic) a ɛyɛ tratraa ka antenna ne dade no ntam. Ferrite no ma magnetic field no nya kwan a ɛyera kakraa bi ma ɛsen fa mu, enti field no twa antenna no ho hyia sen sɛ dade a ɛwɔ ase no bɛtwe. Sɛ yɛbɛka no yiye a, ferrite no tew antenna no fi soro na ɛsan-ma ne tuning no gyina, na ɛno ne nea ɛsan de akenkan no ba.

Ɔkwan a wɔfa so kyerɛ ade no ho hia. Stack a ɛfata, firi fon no so kɔ fam kɔsi soro, ne: fon anaa akenkanfoɔ → tag face → NFC antenna ne chip → ferrite layer → dadeɛ ani. Ɛsɛ sɛ ferrite no tra antenna ne dade no ntam. Sɛ wɔde tag bi si hɔ a wɔabɔ no anim, anaasɛ sɛ ferrite no nni dade no fã a, kyɛm no nyɛ hwee.

Dɛn na ɛwɔ anti-metal NFC tag mu?

Ɛboa ma wotumi yɛ layers no ho mfonini, efisɛ emu biara nya adwumayɛ, sɛnea ɛtra hɔ kyɛ, ne ɛka:

• Surface ne print layer– anim a wotumi hu, a ebetumi akura ahyɛnsode, akwankyerɛ, NFC ahyɛnsode, anaasɛ serial nɔma a wɔatintim.
• Antenna inlay ne chip a wɔde ahyɛ mu– coil ne NFC IC a ɛkora wo data so na ɛsan de ba ankasa.
• Ferrite a wɔde ahyɛ mu– kyɛm a ɛma on-dade adwumayɛ tumi yɛ yiye.
• Adhesive a wɔde yɛ ade– nkitahodi a ɛkɔ soro; wɔ dade a ɛyɛ kurukuruwa anaa srade so no eyi taa yɛ ɔfã a edi kan di nkogu.
• Gyae liner no– akyi no peeled off wɔ installation.

Anti-Metal NFC Tags vs NFC Tags a Wɔde Di Dwuma

Mmara a ɛnyɛ den: paw standard tag bere a ɔfasu no nyɛ -dade na dade biara nni n’akyi. Paw anti-dade tag bere a ne soro yɛ dade, bere a foil anaa dade wɔ milimita kakraa bi akyi wɔ kataso a ɛnyɛ -dade a ɛyɛ tratraa akyi, anaa bere a wunnye nni na wuntumi nni kan nsɔ nhwɛ.

Anti-Metal NFC vs UHF Anti-Metal RFID: Mma Wɔn Ntwiw

Nnipa a wɔhwehwɛ "anti-metal tags" taa frafra mfiridwuma abien a ɛsono emu biara koraa. NFC yɛ frequency a ɛkorɔn-frequency, near-field nhyehyɛe a wɔahyɛ da ayɛ ama telefon a wɔhyɛ da bɔ wɔ akyirikyiri. UHF RFID (bɛyɛ 860–960 MHz) yɛ akyirikyiri-afuw nhyehyɛe a wɔkyerɛ sɛ wɔde kenkan tag ahorow pii fi akyirikyiri a akenkanfo a wɔatu ne ho ama, a ɛno ne sɛnea adekoradan ne agyapade ho akontaabu kan stock wɔ dodow mu.

Sɛ wo botaeɛ ne sɛ "odwumayɛni bi bɛbɔ fon bi wɔ afiri bi so na obue ne kyerɛwtohɔ a," wopɛ anti-metal NFC tag. Sɛ wo botae ne sɛ "nantew ɔkwan bi so na wokenkan dade agyapade aduonum prɛko pɛ," ɛno yɛ adwuma maUHF anti-dade RFID nkyerɛwde, ɛnyɛ NFC. Abusua a ɛnteɛ a wobɛpaw no yɛ mfomso a ne bo yɛ den sen biara wɔ metal-tagging adwuma mu no mu biako, enti di kan siesie asɛmmisa yi.

Nneɛma a Wɔtaa De Di Dwuma

Nhwɛso no yɛ pɛ bere nyinaa: fa tag no bata dade ade bi so, fa telefon anaa akenkanfo bɔ so, na twe nsɛm a ɛfata kɔ soro. Nsonsonoe no wɔ nea saa nsɛm no yɛ ne sɛnea nneɛma a atwa yɛn ho ahyia no yɛ katee no mu.

• Mfiridwuma mu agyapade a wɔde di akyi– tag a ɛwɔ afiri, motor, anaa adwinnade bi so no bata ne kyerɛwtohɔ ho sɛnea ɛbɛyɛ a wobetumi ahu agyapade no na wɔakan. Wɔ dade agyapade a ɛda adi sɛ wodi ho dwuma na wosiesie ho no, mpɛn pii no, tag a ɛyɛ den anaasɛ ɛkyekyere denneennen no kyɛ sen sticker a ɛyɛ tratraa. Hwɛ akwan a ɛfa ho a wobɛpaw amaRFID ne NFC agyapadeɛ akyi di tags.
• Nnwinnade a wɔde siesie nneɛma– mfiridwumayɛfoɔ tap tag bi wɔ pump anaa panel so de log inspections anaa bue service abakɔsɛm. Ɛha no, ɛsɛ sɛ ɛyɛ mmerɛw sɛ wode nsa behu tap botae no, ɛtɔ mmere bi a NFC ahyɛnsode a wɔatintim, efisɛ ebia nnwinnade no wɔ baabi a ɛyɛ fɛre.
• IT ne nnwinnade a wɔahyehyɛ– dadeɛ laptops, racks, ne nnwinnadeɛ nkotokuo kura tags a ɛkyerɛ inventory entry. Eyinom taa yɛ mmeae a ɛyɛ tratraa, enti dade sticker a wɔde abɔ-dade so yiye-taa dɔɔso.
• Smart packaging ne nneɛma a wɔyɛ no ho adansedi– tags a ɛwɔ dade tins, premium boxes, anaa foil packaging so bue brand krataafa anaa hwɛ sɛ ade no yɛ nokware. Wɔ brand-facing uses ho no, print quality ne encoded link a ɛho tew ho hia te sɛ akenkan ahotoso; eyi ne nea ɛka bomNFC afiri no ho adansediensɛm a wɔde di dwuma.
• Access control wɔ dade apon ne panels so– sɛ wɔde tag bi di dwuma de ma kwan a, ɛtaa hia sɛ chip no yɛ ahobammɔ type a access system no boa, ɛnyɛ URL tag a ɛnyɛ den.

Anti-Metal NFC Tags Ahorow Titiriw

Anti-metal NFC sticker ne nkyerɛwde

Nkyerɛwde a ɛyɛ tratraa, a wɔde ntama-ahyɛ akyi ma dade a ɛyɛ tratraa te sɛ nkuku, racks, ne panels. Wɔyɛ nea ne bo yɛ mmerɛw sen biara wɔ-dade so na ɛyɛ mmerɛw sɛ wobetintim. Kwati wɔn wɔ mmeae a ɛyɛ kurukuruwa denneennen, wɔ dade a ɛyɛ den anaa srade so, ne baabiara a wobetumi apaw anoano no, efisɛ ade a wɔde nkata so a entumi nyɛ adwuma yiye, na ɛnyɛ nea ɛyɛ chip a entumi nyɛ adwuma yiye, ne nea ɛtaa ma ɛba. Sɛ wopɛ mmirikatu a wɔde branded anaa numbered a, hwɛNFC nkyerɛwde a wɔatintim no sɛnea wɔpɛa ɛne w’adwinni ne nsɛm a ɛtoatoa so no hyia.

Nsakraeɛ ne nketewa-format tags

Wɔ dade a ɛyɛ kurukuruwa te sɛ paipu, cylinder, ne nsaano nnwinnade fam no, tag ketewaa anaa nea ɛyɛ mmerɛw no hyia yiye na ɛnyɛ den sɛ ɛbɛma so wɔ anoano. Wɔ curves a ɛyɛ den yiye so no, susuw cable-tie anaa strap mount ho sen sɛ wode wo ho bɛto adhesive nkutoo so. Aguadi-off ne sɛ antenna nketewa no nkyɛ bɔne pii, enti tap gyinabea no yɛ pɛpɛɛpɛ.

ABS, PPS, anaa PCB nkyerɛwde a ɛyɛ den

Sɛ wopɛ abɔnten mfiri, kar, ne mfiridwuma nhyehyɛe a ɛyɛ den a, paw hard-shell tag wɔ dan a wɔayɛ mu. Wobetumi de nkɔnsɔnkɔnsɔn abɔ eyinom ase anaasɛ wɔde nhama-kyekyere, atra ase wɔ nkɛntɛnso ne ahotew mu, na wotumi gyina ɔhyew a ɛsakrasakra ano yiye koraa sen sticker. Wɔn bo yɛ den na wɔyɛ bulkier, nanso maabɔnten so NFC tag ahorow a ɛyɛ densɛnea ɛtra hɔ kyɛ no ne asɛm no. Nneɛma a wɔde yɛ adwuma no ho hia wɔ ha: ɔhyew a ɛkɔ soro, UV a ɛko tia, ne nnuru a ɛko tia gyina plastic ne encapsulation pɔtee no so, enti bisa nea ɔde ma no sɛ ɔmma no gyinapɛn ahorow a wɔahyɛ no sen sɛ wubegye asɛm a wɔka sɛ "wim tebea ntumi nkɔ" no atom.

Epoxy ne premium a wɔatintim tags

Wɔ brand-facing anaa high{1}}botaeɛ nneɛma ho no, epoxy-coated anaa premium-finished anti-metal tag ma anim a ɛyɛ den, ɛyɛ fɛ. Eyinom abu so wɔ premium product authentication so baabi a tag no yɛ unboxing osuahu no fã.

Chip a Ɛfata a Wobɛpaw

Chip no na ɛkyerɛ nea tag no betumi de asie ne nhyehyɛe ahorow a ebetumi de ayɛ adwuma. Mmusua abiɛsa na ɛhwɛ nnwuma dodow no ara so.

NTAG 21x abusua a efi NXP no ne default ma fon-URL tags a wotumi de di dwuma. Ɛsono asɔremma baasa no titiriw wɔ dodow a wubetumi de asie mu: 144, 504, ne 888 bytes a ɛyɛ user memory, sɛnea wɔakyerɛw wɔ official no so noNXP NTAG 213/215/216 aduruyɛ krataafa. Sɛ wopɛ tap a ebue wɛbsaet krataafa bi a, NTAG 213 taa dɔɔso; paw NTAG 215 anaa 216 sɛ ɛho hia ankasa sɛ wode pii sie tag no so sen sɛ wode bɛto URL tiawa bi akyi nkutoo a. Ntotoho a emu dɔ te yɛnNTAG ne MIFARE akwankyerɛ.

YiMIFARE AKƆNNƆbere a ahobammɔ ne ahwehwɛde, sɛ nhwɛso no, akwan a wɔfa so kɔ hɔ anaasɛ tekiti a wɔde ma. DESFire de AES-based cryptography di dwuma na ɛyɛ Common Criteria adansedi, nanso ntease wom bere a ɔkenkanfo anaa kwan a wɔfa so kɔ hɔ a ɛwɔ awiei foforo no boa no nkutoo. Ɛyɛ paw a ɛnteɛ ma adetɔfo URL tag a ɛnyɛ den.

Saa araISO/IEC 15693 na ɛwɔ hɔ(NFC Forum Type 5) sɛ mfiridwuma HF nhyehyɛe sen sɛ ɛbɛyɛ default ama telefon-kenkan aguadi tags. Wɔyɛɛ no ​​sɛ akenkanfoɔ a wɔatu wɔn ho ama akenkan wɔ mpɔtam hɔ, na wɔanhyɛ bɔ sɛ smartphone bɛboa no wɔ mfiri ahodoɔ nyinaa mu. Sɛ wɔn a wɔde di dwuma awiei no de wɔn ankasa fon bɛbɔ a, si mfiri mmoa so dua ansa na woahyɛ bɔ, anaasɛ wobɛtra NTAG nkyɛn.

Data bɛn na ɛsɛ sɛ wɔde encode gu mu?

Wɔ tap-to-bue dwumadie dodoɔ no ara mu no, encode URL tiawa bi sɛ NDEF kyerɛwtohɔ na fa nsɛm no sie wɛb krataafa no wɔ n’akyi. Link tiawa bi yɛ mmerɛw sɛ wobɛma ayɛ foforo akyiri yi, ɛde tag no memory kakraa bi na edi dwuma, na ɛma encoding kɔ so yɛ mmerɛw; data pii a wɔde sie tẽẽ wɔ tag no so no ntaa mma mfaso. NDEF format no yɛ nea wɔkyerɛkyerɛ mu denamNFC Forum no NDEF nkyerɛkyerɛmu, ne yɛnNFC encoding dwumadie nobetumi de wo URL ne serials adi dwuma ansa na wode amena.

Sɛnea Wobɛpaw: SMART Nhyehyɛe no?

Sɛ́ anka wubedi kan apaw tag bi na woanya anidaso sɛ ɛfata no, yɛ nsɛmmisa anum ho adwuma nnidiso nnidiso. Wɔn mu biara tew nea wɔpaw no so.

• Ani– Dadeɛ bɛn na ɛyɛ (aluminium, stainless, painted steel), na ɛyɛ tratraa anaasɛ ɛyɛ kurukuruwa? Flat ne bare ne asɛm a ɛyɛ mmerɛw; tight curves ne oily anaa rough metal hia sɛ wɔde bonding a emu yɛ den anaasɛ strap mount.
• Nneɛma a wɔde si so– Adhesive, skru, anaa nhama tie? Wɔ dade a wɔabɔ no kurukuruwa so no, ɛda adi sɛ ade a wɔde nkata so no di huammɔ sen sɛ chip bedi huammɔ, enti fa mount no toto ne nsusuwii ho.
• Abisadeɛ– URL tiawa, agyapadeɛ ID, ahobanbɔ kwan a wɔfa so kɔ, anaa afiri no mu ahotosoɔ? Eyi de chip abusua no si hɔ sen biribi foforo biara.
• Akenkanfo– So nkurɔfo de wɔn ankasa fon bɛbɔ, anaasɛ fixed anaa industrial reader bɛyɛ akenkan no? Ɛsɛ sɛ telefon-nko na nnwuma bata chips a wɔboa kɛse no ho.
• Sɔhwɛ– Wɔ ankasa ani, mfiri ankasa, ne nneɛma a atwa yɛn ho ahyia ankasa, ɛnyɛ nhwɛsode a ɛyɛ tratraa wɔ pon so.

Selection Table sɛnea Wɔde Di Dwuma

Sɛnea Wɔbɛsɔ Anti-Metal NFC Nhwɛsode Ahwɛ Ansa na Wɔayɛ no pii?

Nhwɛsode a ɛwɔ soro a ɛyɛ tratraa-ka kakraa bi pɛ kyerɛ wo. Ansa na wobɛpene production run so no, fa samples to repeatable sequence mu na kyerɛw nea "pass" kyerɛ ma wo project no.

• Encode nhwɛsode none URL anaa data ankasa a wode bɛmena, ɛnyɛ beae a wode bɛkɔ.
• Sɔhwɛ wɔ mframa mu, a ɛwɔ akyirikyiri fi dade ho, de si so dua sɛ tag ne encoding no yɛ adwuma koraa.
• Sɔ hwɛ wɔ dade no ani ankasa sotag no bɛhyɛ so, wɔ gyinabea ankasa.
• Fa telefon ahorow pii sɔ hwɛ, iPhone ne Android mfiri ahorow nyinaa, efisɛ ɛsono baabi a antena wɔ wɔ nsaano mfiri ahorow ntam.
• Sɔ hwɛ bere a ade a wɔde nkata so no ayɛ yiye awie no, mpɛn pii no nnɔnhwerew 24, sen bere a wɔde bedi dwuma no.
• Si nhwɛsode no so duane tebea horow a ebehyia: sɛ ɔbɛkotow wɔ curve so, ahotew anaasɛ wobɛpopa, ne ɔhyew a ɛbɛda adi de adi dwuma wɔ abɔnten.

Di kan si gyinae wɔ gyinapɛn ahorow a ɛbɛma wɔagye atom ho. Gyinapɛn a ntease wom ne sɛ nhwɛsode biara kenkan ade a wotumi de ho to so wɔ tap a edi kan no so, fi tap gyinabea a obi a ɔde di dwuma ankasa de bedi dwuma, wɔ fon biara a ɛwɔ wo sɔhwɛ nhyehyɛe no mu, na ɛda so ara kenkan bere a wɔasa no yare na wayɛ adwennwen akyi. Sɛ tag bi yɛ adwuma wɔ beae pɔtee biako pɛ anaasɛ baabi pɔtee biako pɛ a, fa saa asɛm no sɛ huammɔdi, na ɛnyɛ ade a ɛyɛ nwonwa.

Dɛn na ɛka Anti-Metal NFC Tags ho ka?

Anti-metal tag bo yɛ boro sticker a ɛnyɛ den, nanso "Ɛka: ɛkorɔn" nyɛ mmuaeɛ a mfasoɔ wɔ so berɛ a woreyɛ sikasɛm nhyehyɛeɛ. Nneɛma atitiriw a ɛma karka ne:

• Chip– DESFire chip a ahobammɔ wom no bo boro NTAG 213 titiriw bi so.
• Ne kɛse ne antenna– tag akɛseɛ de nneɛma pii ne ferrite pii di dwuma.
• Nneɛma ne encapsulation– ABS anaa epoxy dan a wɔanwene no bo boro nea wɔakyerɛw so.
• Nhoma tintim– full-color artwork, variable serials, ne special finishes de ɛka ka ho.
• Encoding a wɔde kyerɛw nsɛm– pre-encoding tag biara a URL anaa ID soronko bi de anammɔn bi ka ho.
• Dodoɔ– per-unit boɔ kɔ fam ne volume, enti MOQ no ho hia.

Dɛn na Ɛsɛ sɛ Wosi So dua Ansa na Woakra Ade pii?

Wɔ volume orders ho no, npene tag a ɛfiri flat-surface sample nko ara mu, na kyerɛw w'ahiadeɛ. Nhwehwɛmu tiawa bi a wode bɛmena wo supplier:

• Minimum order dodow, ne bo breaks wɔ volumes a ɛkorɔn mabulk NFC tags a wɔde yɛ dade.
• Sɛ́ ebia custom sizes ne shapes wɔ hɔ ma wo surface.
• Sɛ ebia wobetumi bulk-encode tag biara na wɔatintim serial a ɛne no hyia.
• Sɛ ebia serial numbers a wɔatintim no bɛhyia URL ahorow a wɔde encoded, a wɔahwɛ ansa na wɔayɛ.
• Adhesive options ma wo dade type, a curved anaa ngo surfaces ka ho.
• Sɛ wode di dwuma wɔ abɔnten a, ɔhyew a wɔahyɛ, UV, ne nnuru a ɛko tia, a spec krataa ka ho.
• Wɔ nsɛm biara a nsu ntumi nkɔ mu ho no, IP rating ne sɔhwɛ amanneɛbɔ a ɛwɔ akyi no.
• Nhwɛsode dodow ahe na wubenya, ne nneɛma bɛn so, ama w’ankasa afuw mu sɔhwɛ.

Sɛ woasiesie wo ho a, ɛfata sɛ wokra batch ketewaa bi kɔsɔ hwɛ wɔ wo nnwinnade ankasa hoansa na ɔde ne ho ahyɛ mmirikatu a edi mũ no mu.

Mfomso a Wɔtaa Tu a Ɛsɛ sɛ Wɔkwati

• Tag a wɔpene so fi desk sɔhwɛ mu na wohuruw dade ankasa no ani.
• Wɔde wɔn ho to ade a wɔde nkata so nkutoo so wɔ baabi a ɛyɛ kurukuruwa anaa srade, baabi a ɛda adi kɛse sɛ ɛbɛma so no.
• Mmɔden a wobɛbɔ sɛ wode data pii besie wɔ tag no so sen sɛ wode bɛto URL tiawa bi akyi.
• Sɛ yɛfa no sɛ fon biara kenkan ISO/IEC 15693 tags, bere a wɔmfa fon mmoa nhyɛ bɔ.
• "Nsuo ntumi nkɔ" anaa "abɔnten" a wobɛfa no sɛ yiw anaa dabi, sen sɛ wobɛbisa gyinapɛn ahorow a wɔahyɛ no.
• NFC a wobɛpaw ama adwuma a ɛhia UHF RFID a ɛkɔ akyirikyiri ankasa, anaa nea ɛne no bɔ abira.

Bere a Wonhia Anti-Metal NFC Tag

Anti-metal tags di ɔhaw ankasa ho dwuma, nanso ɛnyɛ bere nyinaa na ɛyɛ mmuae. Sɛ nea ɛwɔ soro no yɛ plastic, ahwehwɛ, dua, anaa krataa a, standard tag no bo yɛ mmerɛw na ɛyɛ adwuma yiye. Sɛ nokware a ɛnyɛ -dade kwan a ɛyɛ milimita pii wɔ tag no ne dade biara ntam a, ɛtɔ mmere bi a tag a wɔahyɛ da ayɛ no betumi ayɛ adwuma a enni kyɛm, ɛwom sɛ nea efi mu ba no gu ahorow de. Na sɛ ɛho hia sɛ wokenkan dade agyapade pii ntɛmntɛm fi akyirikyiri a, adwinnade a ɛfata ne UHF RFID, ɛnyɛ NFC.

Mfiridwuma Ho Nsɛm a Wɔde Kyerɛw

Mfiridwuma ho nsɛntitiriw a ɛwɔ akwankyerɛ yi mu no gyina gyinapɛn ahorow a wɔatintim ne nea ɔyɛe no nkrataa so: theNFC Nhyiamuma NFC mfitiasesɛm ne neaNDEF data nhyehyɛe, NXPma NTAG 21x nkaeɛ neMIFARE AKƆNNƆahobammɔ, neISO/IEC 15693 na ɛwɔ hɔma mpɔtam hɔ-kaad gyinapɛn. Bere nyinaa si nsɛm pɔtee a wɔakyerɛw so dua wɔ mprempren yɛfo datasheet a ɛfa ɔfã a wokra no ho.

Nsɛm a Wɔtaa Bisa

So NFC tags yɛ adwuma wɔ dade so koraa?

NFC tag a wɔahyɛ da ayɛ no taa di nkogu wɔ dade a ɛda hɔ kwa so efisɛ dade no twetwe afuw no na ɛma antenna no yɛ adwuma yiye. Wɔasi anti-metal NFC tag, a ɛde ferrite shielding layer ka ho, titiriw sɛ ɛbɛyɛ adwuma wɔ dade so.

So anti-metal NFC tags yɛ adwuma wɔ aluminium ne dade a ɛnyɛ den so?

Aane. Ferrite a ɛwɔ so no ma antena no tew ne ho fi soro, enti dade a wɔtaa de di dwuma a aluminium, dade a ɛnyɛ den, ne dade a wɔayɛ ho adwini ka ho nyinaa yɛ adwuma. Adwumayɛ da so ara gyina tag kɛse ne sɛnea tag no tra ase tratraa na ɛyɛ flush so, enti sɔ wo dade pɔtee no hwɛ.

So iPhone betumi akenkan anti-metal NFC tags? Na Android nso ɛ?

Aane. Anti-metal tags a wɔasi wɔ NTAG 21x chips (NFC Forum Type 2 / ISO 14443A) so no, nnɛyi iPhones ne Android fon ahorow na ɛkenkan. Sɛ wode ISO/IEC 15693 (Type 5) tag di dwuma mmom a, si mfiri mmoa so dua, efisɛ ɛnyɛ fon biara na ɛkenkan no yiye.

NTAG bɛn na ɛsɛ sɛ mepaw, 213, 215, anaa 216?

Sɛ wopɛ tap a ebue wɛbsaet krataafa bi a, NTAG 213 (144 bytes) taa dɔɔso. Paw NTAG 215 (504 bytes) anaa NTAG 216 (888 bytes) sɛ ɛho hia sɛ wode data pii sie tag no ankasa so sen sɛ wode bɛto link tiawa bi akyi nkutoo a.

Ɛhe na wobetumi akenkan anti-metal NFC tag?

NFC yɛ close-tap mfiridwuma, enti susuw ho wɔ sɛntimita mu, ɛnyɛ mita mu, na kwati sɛ wobɛhyɛ bɔ sɛ wobɛfa kwan a wɔahyɛ ato hɔ. Akenkan kwan ankasa gyina tag kɛse ne antenna, telefon no mfonini ne baabi a ne antenna te, chip, dade no ani, ne sɛnea wɔde tag no ahyɛ mu flush so. Si adwumayɛ kwan no so dua denam wo tag a wobɛsɔ ahwɛ wɔ wo soro no so denam wo mfiri ahorow no so.

So wobetumi de anti-metal NFC tags adi dwuma wɔ abɔnten anaasɛ wɔ ɔhyew a ɛkɔ soro mu?

Yiw, sɛ wɔde ɔdan a ɛfata di dwuma a. ABS, PPS, PCB, anaa epoxy tags a ɛyɛ den di abɔnten, ɔhyew a ɛkɔ soro, ne nnuru a wɔde di dwuma ho dwuma yiye koraa sen sticker. Anohyeto ankasa no gyina nneɛma no grade ne encapsulation so, enti bisa ɔhyew a wɔahyɛ, UV, ne nnuru a ɛko tia.

So anti-metal NFC tags no yɛ nea nsu ntumi nkɔ mu?

Ebinom te saa, nanso egyina encapsulation, adhesive, anoano sealing, ne supplier no sɔhwɛ level so. Sɛ IP rating pɔtee bi ho hia wo a, bisa rating ne sɔhwɛ amanneɛbɔ no sen sɛ wode wo ho bɛto asɛm bi a nsu ntumi nkɔ mu wɔ ɔkwan a ɛkɔ akyiri so so.

Anti-metal NFC tag kɛse bɛn na ɛsɛ sɛ mede di dwuma?

Mpɛn pii no, antena akɛse de bɔne kyɛ na ɛnyɛ den sɛ wɔbɛbɔ, bere a ɛnyɛ den sɛ wɔde tag nketewa besie na wɔde ahyɛ mmeae a ɛyɛ den so. Sɛ tag no sua sen baabi a telefon no tap no a, fa NFC ahyɛnsode a wɔatintim ka ho sɛnea ɛbɛyɛ a wɔn a wɔde di dwuma no behu baabi a wɔbɛbɔ. Hwɛ yɛnNFC tag kɛse akwankyerɛama abubuw a edi mũ.

So foam spacer a ɛyɛ den betumi asi anti-metal tag ananmu?

Ɛtɔ da bi a, spacer a ɛyɛ den a ɛnyɛ-dadeɛ ma standard tag yɛ adwuma denam sɛ ɛbɛkura mu afiri dadeɛ no ho, nanso ɛhia sɛ nsonsonoeɛ no yɛ kɛseɛ yie, nea ɛfiri mu ba no yɛ kɛseɛ, na ahotosoɔ no nhyia. Ferrite-backed anti-metal tag yɛ tratraa na wotumi de ho to so koraa, titiriw ma nneɛma a wɔyɛ.

So wobetumi de ahyɛnsode anaa serial nɔma atintim anti-metal NFC tags?

Aane. Ɔfa so layer no tumi kura -kɔla adwini a edi mũ, NFC ahyɛnsode, ne data a ɛsakra te sɛ serial nɔma. Sɛ wopɛ sɛ wohwehwɛ mu a, bisa nea ɔde ma no sɛ ɔmfa serial biara a wɔatintim no nhyia ne URL a wɔakyerɛw no ansa na wɔayɛ.

Ɔkwan bɛn so na anti-dade NFC nkyerɛwde yɛ soronko wɔ UHF anti-dade RFID nkyerɛwde ho?

Anti-metal NFC tags yɛ ma telefon tap a ɛbɛn wɔ 13.56 MHz na kenkan tag biako bere koro mu. UHF anti-dade RFID tags yɛ adwuma wɔ bɛyɛ 900 MHz a akenkanfoɔ a wɔatu ne ho ama na wɔasi sɛ ɛbɛkenkan dadeɛ agyapadeɛ bebree afiri akyirikyiri, a ɛfata nneɛma akɛseɛ-ɛfata sen sɛ ɛbɛfa telefon so tap.

So metumi ama wɔakyerɛw tag ahorow no pii ansa na wɔde amena?

Aane. Wobetumi adi kan -de URL anaa ID soronko ahyɛ tags na wɔahwɛ ne su- ansa na wɔde akɔma, a ɛkora wo so sɛ wode nsa bɛhyɛ mu. Si bulk encoding ne serial matching so dua bere a worebisa quote no.

Nneɛma Titiriw a Wɔde Kɔ

• Standard NFC tags di nkogu wɔ dade so; anti-metal tags de ferrite layer di dwuma de yɛ adwuma wɔ so.
• Fa type no toto nea ɛwɔ soro no ho: sticker a wɔde kyerɛw dade a ɛyɛ tratraa, tag a ɛyɛ mmerɛw ma curves, tag a ɛyɛ den ma abɔnten.
• Fa chip no hyia adwuma no: NTAG ma URL ahorow, DESFire ma ahobammɔ kwan, ISO 15693 ma mfiridwuma HF.
• NFC yɛ ma tap a ɛbɛn; fa UHF RFID di dwuma ma akenkan a ɛboro so a ɛkɔ akyiri-.
• Sɔ nhwɛsode ahorow hwɛ wɔ ɔfasu ankasa, telefon ahorow ankasa, ne tebea horow ankasa so ansa na woakra wɔ nne kɛse mu.