Product Name: Circuit Printing Embossing Membrane Switch Dome Array for Contact Keys Model NO.: GHD195003 metal Dome Shape: Custom Depends Dome Life-Time: 300K~5kk Hits Total Height: 0.14~0.5mm metal Dome Material: Stainless Steel 301 Click Ratio: >30% Surface Treatment: Nickel (Silver, Gold) Plating Dimension Tolerance: +/-0.1mm ESD Resistance: <0.3 Ohm OEM: Acceptable MOQ: 100 PCS Package: by Pet Bag Salty Spray Chamber: 55+/-2degrees , R.H. 95% , 48h Trademark: GHD technology Transport Package: Pet Bag Specification: 16*25*25cm Origin: China HS Code: 8538900000 Product Description Circuit Printing EMbossing Membrane Switch dome array for ConTACT KEYS Whatis Membrane SwitchandHowdoes it work ?Membrane Switch ,membrane switch flex circuit designs primarily include Polymer Thick Film (PTF) "membrane switches" such as graphic overlays, touch pads and key pads. Membrane switches function as a normally open, momentary contact, low-voltage pressure-sensitive circuit.MajorTechnicalParameters&AdvantagesofmetalDomeArrayItemDescriptionTECHNICALINDEX1LONGLIFE-TIMERound,Oval,four-legged,triangular,rectangular,three-pointside,irregularStainlessSteel,NickelPlating,SilverPlating&goldPlatingDimpleNumbers:0/1/3/4/5dimpleLIFE-TIME:300~3000ThousandTimesIncompareofinitialvalue,Thechangerate<30%after1Mpress-test2Click%Force:100gf~450gf,Tolerance:±20gfNormalCondition3StrokeCustomizeinaccordancewithCustomer'srequirement0.12~0.6mm,Spec.variousbydifferentmetaLDOME4DimensionTolerancePositiondimensiontolerance:+/-0.1mm5GoodWeatherproofResistanceUndertheconditionsof55±2ºC,R.H.95%,Replacement24H,andthenresume2Hunderthenormalroomtemperature6GoodCorrosionResistanceHighTemperaturecanbear:+70ºCLowerTemperaturecanbear:-40ºC7TapeAdhesiveTest0.6↑(Unit:kgf/inch)8StableTapeShrinkagerateMD(%):0.5↓CD(%):0.3↓(Unit:100ºC*40mins)9SmallInstantaneousContactResistance(NickelPlating)<1Ω,(StainlessSteel)<3Ω10TotalThicknessofbasematerials0.05mm,0.075mm,0.1mm,0.125mm,0.15mm;NormalThicknessSpec.11Light-Guide-filmUniformity>75%Q1: Are you Trading company or manufacturer ?A: We are a Professional Trading & Manufacturer Integrated .Q2 : Can you offer OEM Service ?A: Surely Okay , we have Seasoned OEM service experience .Q3: what is the Lead time of sample ?A : It takes 2-7working days depends .Q4: How fast can i get the Quotation ?A: 30mins ~ 24Hours depends .Please do not hesitate to contact with us , if you have any inquires .