{"id":2141,"date":"2022-05-03T13:46:43","date_gmt":"2022-05-03T11:46:43","guid":{"rendered":"https:\/\/www.jauch.com\/blog\/?p=2141"},"modified":"2023-06-13T07:55:12","modified_gmt":"2023-06-13T05:55:12","slug":"quartz-production-process-from-quartz-block-to-quartz-blank","status":"publish","type":"post","link":"https:\/\/www.jauch.com\/blog\/en\/quartz-production-process-from-quartz-block-to-quartz-blank\/","title":{"rendered":"Quartz production process: from quartz block to quartz blank"},"content":{"rendered":"\n<p>The previous blog post entitled: <em><a href=\"https:\/\/www.jauch.com\/blog\/en\/ask-the-product-manager-are-real-rock-crystals-used-for-production-of-oscillating-quartz-crystals\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Ask the Product Manager: Are real rock crystals used for production of oscillating quartz crystals? (\u00f6ffnet in neuem Tab)\">Ask the Product Manager: Are real rock crystals used for production of oscillating quartz crystals?<\/a><\/em> covered the initial stages in the production of these small clocks. Quartz is artificially grown in autoclaves, reaching a weight of several kilos. <\/p>\n\n\n\n<p>From this point, however, we are still a few\nproduction stages away from the tiny components that will eventually be\npositioned on the plates. Where do we go from here?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>From quartz block to quartz wafer<\/strong><\/h3>\n\n\n\n<p>First of all, the reference plane Z of the block is\nsurface-ground. After grinding, the Z-plane of the quartz block is precisely\ndefined and the block can be further processed. <\/p>\n\n\n\n<p>Now, so-called quartz wafers are cut from the block. The direction of sawing is along the X-axis. The seed is also cut out. We recall: This is then reused for cultivating synthetic quartz. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Barren-1024x576.jpg\" alt=\"Barren werden aus dem Quarzblock geschliffen\" class=\"wp-image-2135\" width=\"514\" height=\"289\" srcset=\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Barren-1024x576.jpg 1024w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Barren-300x169.jpg 300w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Barren-768x432.jpg 768w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Barren-280x158.jpg 280w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Barren.jpg 1280w\" sizes=\"(max-width: 514px) 100vw, 514px\" \/><figcaption>Quartz wafers are cut out the quartz block.<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>From quartz wafer to quartz blank<\/strong><\/h3>\n\n\n\n<p>Now, small crystal blanks are cut from the wafer. The desired cutting angle here is 35 \u00b0 \u2013 this is also referred to as the \u201cAT cut\u201d. Read about why this particular cutting angle is important <a href=\"https:\/\/www.jauch.com\/blog\/en\/its-all-about-the-angle-the-at-cut-for-quartz-crystals\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"here (\u00f6ffnet in neuem Tab)\">here<\/a>. <\/p>\n\n\n\n<p>The quartz blanks are then lapped in a plane-parallel manner until the desired thickness is achieved. This depends on the frequency that the blanks should have at the end of the process. The frequency that is aimed for during this production stage is usually slightly below the final target frequency. The lobed blanks are now cut into raw blanks and subjected to grinding once again. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Schleifen-1024x576.jpg\" alt=\"Schleifen der Quarzbl\u00e4ttchen\" class=\"wp-image-2137\" width=\"518\" height=\"291\" srcset=\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Schleifen-1024x576.jpg 1024w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Schleifen-300x169.jpg 300w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Schleifen-768x432.jpg 768w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Schleifen-280x158.jpg 280w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Schleifen.jpg 1280w\" sizes=\"(max-width: 518px) 100vw, 518px\" \/><figcaption>The blanks are lapped until the desired thickness is reached. <\/figcaption><\/figure><\/div>\n\n\n\n<p>The next processing stage is called \u201cbeveling\u201d. Once this is complete, the quartz blank is in the shape of a cushion in cross-section. However, the visual effect is not the reason for the process, at least not directly: On the one hand, this shape enables easier installation in holder systems and, on the other hand, the vibrating area of the blank is reduced. This avoids spurious resonances. More details and background on this production stage can be found <a href=\"https:\/\/www.jauch.com\/blog\/en\/what-is-the-similarity-between-a-quartz-blank-and-a-pillow\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"here (\u00f6ffnet in neuem Tab)\">here<\/a>. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2021\/10\/Kissenform_Zuschnitt.jpg\" alt=\"Quartz blanks before and after bevelling. The characteristic shape of a lense can be seen\" class=\"wp-image-1843\" width=\"531\" height=\"323\" srcset=\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2021\/10\/Kissenform_Zuschnitt.jpg 730w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2021\/10\/Kissenform_Zuschnitt-300x183.jpg 300w, https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2021\/10\/Kissenform_Zuschnitt-280x171.jpg 280w\" sizes=\"(max-width: 531px) 100vw, 531px\" \/><figcaption>After beveling the blanks have the shape of a cushion. <\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Attaching the electrode<\/strong><\/h3>\n\n\n\n<p>After the frequency has been checked using X-rays, the\nquartz blanks are washed. The components are thereby optimally prepared for the\napplication of the electrode. Again, the blanks are sorted according to their\nfrequency, and even at this stage they should still be slightly above their\ntarget frequency. Why? Attaching the electrode reduces the frequency somewhat,\nwhich must therefore already be taken into account in the preceding stages. <\/p>\n\n\n\n<p>Finally, the electrodes are still missing. They are\nvapor-deposited through a stencil \u2013 a process also referred to as \u201csputtering\u201d.\nThe blank is now ready and can be mounted in the housing. <\/p>\n\n\n\n<p>We&#8217;ll take a closer look at the final stages in the next blog post: <a href=\"https:\/\/www.jauch.com\/blog\/en\/from-assembly-to-the-final-product-the-last-stages-in-the-quartz-manufacturing-process\/\">From assembly to the final product \u2013 the last stages in the quartz manufacturing process<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The previous blog post entitled: Ask the Product Manager: Are real rock crystals used for production of oscillating quartz crystals? covered the initial stages in the production of these small clocks. Quartz is artificially grown in autoclaves, reaching a weight of several kilos. From this point, however, we are still a few production stages away<\/p>\n","protected":false},"author":6,"featured_media":2143,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[550,173,262,213],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quartz production process: from quartz block to quartz blank &#8211; Jauch Blog<\/title>\n<meta name=\"description\" content=\"The quartz crystal production process consists of many different steps. 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Read more about it in this blog post.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/\" \/>\n<meta property=\"og:site_name\" content=\"Jauch Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/jauch.com.de\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-03T11:46:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-13T05:55:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Header_Quarz-Reihe-Teil-22-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1479\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Selina Ruof\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@jauch_de\" \/>\n<meta name=\"twitter:site\" content=\"@jauch_de\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Selina Ruof\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/\"},\"author\":{\"name\":\"Selina Ruof\",\"@id\":\"https:\/\/www.jauch.com\/blog\/#\/schema\/person\/52fbe5fe0e8b083cfee757dee3fe5a1b\"},\"headline\":\"Quartz production process: from quartz block to quartz blank\",\"datePublished\":\"2022-05-03T11:46:43+00:00\",\"dateModified\":\"2023-06-13T05:55:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/\"},\"wordCount\":494,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.jauch.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Header_Quarz-Reihe-Teil-22-scaled.jpg\",\"keywords\":[\"FCP\",\"Quartz\",\"quartz blank\",\"quartz production\"],\"articleSection\":[\"Frequency Control Products\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/\",\"url\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/\",\"name\":\"Quartz production process: from quartz block to quartz blank &#8211; Jauch Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.jauch.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.jauch.com\/blog\/quarz-herstellungsprozess-vom-quarzblock-bis-zum-quarzblank\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.jauch.com\/blog\/wp-content\/uploads\/2022\/05\/Header_Quarz-Reihe-Teil-22-scaled.jpg\",\"datePublished\":\"2022-05-03T11:46:43+00:00\",\"dateModified\":\"2023-06-13T05:55:12+00:00\",\"description\":\"The quartz crystal production process consists of many different steps. 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