{"product_id":"fa149","title":"FA149","description":"\u003ch3 class=\"product-name\"\u003eDot Array 50mm x 50mm, 0.25mm Dots on 0.50mm Centers, White Glass\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThese ultra high precision Chrome on White Glass Distortion Targets offer unparalleled accuracy for use in qualifying imaging systems. Several variations of this target are available; all are fixed frequency dot arrays in a choice of five different dot spacings and four substrate sizes. With a feature-to-feature accuracy of 2 micron, these patterns allow for extremely accurate testing and qualification of inspection systems. All targets are NIST traceable and serialized. A glass version and a film version on white mylar is also available.\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDot diameter: .25mm\u003c\/li\u003e\n\u003cli\u003eDot spacing: .5mm\u003c\/li\u003e\n\u003cli\u003eOverall Accuracy: ±0.002mm\u003c\/li\u003e\n\u003cli\u003eSubstrate type: Polished White glass\u003c\/li\u003e\n\u003cli\u003eSubstrate size: 3” x 3”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe pattern is formed in durable double layer Chromium (OD \u0026gt; 3.0) on a stable 0.125” white glass substrate. The pattern is positive (opaque features on a bright background) on the first surface (Right Reading Looking At). All targets are given complete inspection to ensure the highest quality calibration artifact.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePlease see the drawing below for complete specifications.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/FA149_drawing.pdf?v=1765558817\"\u003eClick here to download drawing\u003c\/a\u003e \u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45052320612489,"sku":null,"price":798.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/FA149image.jpg?v=1765558854","url":"https:\/\/maxlevy.com\/products\/fa149","provider":"Max Levy","version":"1.0","type":"link"}