{"product_id":"ba106","title":"BA106","description":"\u003ch3 class=\"product-name\"\u003eRonchi 60 LPMM 1\" X 1\"\u003c\/h3\u003e\n\u003cp\u003eThe Ronchi Ruling pattern (also called a diffraction grating) consists of equally spaced alternating clear and opaque bars. The spatial frequency of the ruling is typically expressed in Line Pairs per MM or Line Pairs per Inch.\u003cbr\u003e\u003cbr\u003eThe pattern is printed in Chromium (OD \u0026gt; 3.0) on 1.5mm thick Soda Lime Glass and extends to the edge of the glass. The transmission tolerance for the 60 LPMM pattern is ±5%.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA106_drawing.pdf?v=1766162679\"\u003eClick here to download drawing\u003c\/a\u003e\u003c\/p\u003e","brand":"Max Levy","offers":[{"title":"Default Title","offer_id":45074952814729,"sku":null,"price":262.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/7477\/1081\/files\/BA106image.jpg?v=1766162630","url":"https:\/\/maxlevy.com\/products\/ba106","provider":"Max Levy","version":"1.0","type":"link"}