Flexible flat cable (FFC) yɛ flat signal transmission cable a wɔde di dwuma kɛse wɔ ɛlɛtrɔnik mfiri, kar ɛlɛtrɔnik, nnuruyɛ mfiri, ne nnwuma afoforo mu. Mfaso titiriw a ɛwɔ so ne sɛnea ɛyɛ mmerɛw kɛse, ne nan ase a ɛyɛ ketewaa, ne sɛnea ɛkotow, a ne nyinaa ne nneɛma atitiriw a wɔpaw no wɔ abusuabɔ kɛse.
Nneɛma titiriw a wɔde yɛ FFC ne conductor, insulation layer, ne sheath. Wɔtaa de kɔbere a ɛyɛ electrolytic a ɛho tew kɛse anaa kɔbere a wɔde tin ayɛ na ɛyɛ conductor no. Kɔbere a ɛma anyinam ahoɔden yɛ adwuma yiye ma ɛyɛ adwuma yiye, na ɛhwɛ hu sɛ nsɛnkyerɛnne no kɔ baabiara a ɛyɛ den na ɛhwere ade pii; kɔbere a wɔde ahyɛ tin mu ma ɛko tia oxidation a ɛkɔ anim, na ɛma ɛfata ma mmeae a mframa wɔ bere tenten, na ɛma nhama no nkwa nna kyɛ. Conductor no mu duru ne ne trɛw ka cable no mprempren-soa tumi ne nea ɛyɛ mmerɛw tẽẽ, na enti ɛhwehwɛ sɛ wɔyɛ nhyehyɛe a eye a egyina dwumadie tebea pɔtee no so.
Insulation layer no yɛ ade titiriw a ɛwɔ FFC mu na wɔtaa de polyimide (PI) anaa polyester (PET) film na ɛyɛ. Polyimide ma ɔhyew a ɛkorɔn soronko (bere tenten-ɔhyew a wɔde yɛ adwuma boro digrii 200 ), mfiri ahoɔden, ne nnuru a ɛma ɛyɛ den, na ɛma ɛfata ma ɛlɛtrɔnik mfiri a ɛyɛ adwuma wɔ mmeae a ɛhɔ yɛ hyew kɛse, te sɛ ahunmu ne mfiridwuma mu tumidi. Nanso polyester de, ɛma ɛho ka sua na ɛma ɛyɛ mmerɛw kɛse, na ɛma ɛfata ma ɛlɛtrɔnik mfiri a wɔde di dwuma nyinaa, nanso ne ɔhyew a ɛko tia no yɛ mmerɛw koraa (mpɛn pii no ɛnkɔ soro nsen digrii 150 ). Insulation layer no mu duru nya cable no insulation adwumayɛ ne ne nyinaa so nkɛntɛnso tẽẽ, na ɛho hia sɛ ɛkari pɛ wɔ anyinam ahoɔden ne mfiri ahorow ntam.
Bio nso, FFCs binom a ɛkorɔn-awieɛ de ade foforɔ a wɔde kata so, te sɛ polyvinyl chloride (PVC) anaa thermoplastic elastomer (TPE) ka ho, wɔ insulation layer no so de ma abrasion resistance, tensile strength, ne nneɛma a atwa yɛn ho ahyia ho banbɔ foforɔ. PVC sheathing ma ɛyɛ mmerɛw yiye na nnuru a ɛko tia, na ɛma ɛfata ma mfiridwuma tebea horow nyinaa; bere a TPE yɛ nea ɛnyɛ nea atwa yɛn ho ahyia na ɛma wim tebea a ɛko tia no tu mpɔn, na ɛma ɛfata sɛ wɔde di dwuma wɔ abɔnten anaasɛ wɔde di dwuma a ɛhwehwɛ sɛ nneɛma ho yɛ den kɛse, te sɛ nnuruyɛ nnwinnade.
Sɛ yɛbɛbɔ no mua a, nneɛma titiriw a wɔpaw ma nhama a ɛyɛ tratraa a ɛyɛ mmerɛw no nya wɔn conductivity, flexibility, temperature resistance, ne service life so nkɛntɛnso tẽẽ. Ɛdenam kɔbere nhama, polyimide anaa polyester insulation layers, ne sheath nneɛma a ɛfata a wɔde bɛka abom wɔ ntease mu so no, FFC betumi anya nsɛnkyerɛnne a etu mpɔn na ɛyɛ den wɔ mmeae ahorow a emu yɛ den, na adi nnɛyi ɛlɛtrɔnik mfiri ahiade ahorow ho dwuma ama miniaturization ne ahotoso kɛse.