{"id":2418,"date":"2026-09-25T10:14:16","date_gmt":"2026-09-25T08:14:16","guid":{"rendered":"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/?p=2418"},"modified":"2026-10-23T11:45:44","modified_gmt":"2026-10-23T09:45:44","slug":"long-term-reliability-in-hermetic-optoelectronics-controlling-moisture-hydrogen-and-vocs","status":"publish","type":"post","link":"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/long-term-reliability-in-hermetic-optoelectronics-controlling-moisture-hydrogen-and-vocs\/","title":{"rendered":"Long-Term Reliability in Hermetic Optoelectronics: Controlling Moisture, Hydrogen and VOCs"},"content":{"rendered":"<div class=\"container\">\n      <div class=\"col-6\">\n      <div>\n        <p>As optoelectronic and communication technologies become increasingly compact and sophisticated, device reliability depends not only on the performance of individual components, but also on the environment in which they operate.<\/p>\n<p><strong>Optical transceivers<\/strong>, <strong>RF modules<\/strong> and other <strong>sensitive optoelectronic devices<\/strong> are often enclosed in hermetic packages designed to <strong>protect their internal components from the external environment<\/strong>. However, sealing a package does not necessarily mean that its internal atmosphere will remain unchanged throughout the device lifetime.<\/p>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n        <p>Residual gases, material outgassing and species generated after sealing can progressively alter the environment inside the package. Among them, <strong>hydrogen<\/strong>, <strong>moisture<\/strong> and <strong>volatile organic compounds (VOCs)<\/strong> can represent critical factors for long-term device stability.<\/p>\n      <\/div>\n    <\/div>\n    <\/div>\n\n\n<div class=\"container align-items-center flip\">\n    <div class=\"col-6 order-md-2\">\n    <h3 class=\"h3 title\">What happens inside a hermetic package after sealing?<\/h3><p><strong>Hermetic packaging<\/strong> provides a highly effective barrier between a sensitive device and the external environment. Yet <strong>gaseous contaminants may already be present inside the package at the time of sealing<\/strong> or<strong> may be released by materials and components over time<\/strong>.<\/p>\n<p>Different species can originate from different mechanisms.<\/p>\n<p>Hydrogen may be released by metals and metal plating or generated through processes involving moisture.<br \/>\nMoisture can remain as a residual contaminant after manufacturing and assembly or be released by materials inside the package.<br \/>\nResidual gases, material outgassing and species generated after sealing can progressively alter the environment inside the package. Among them, <strong>hydrogen<\/strong>, <strong>moisture<\/strong> and <strong>volatile organic compounds (VOCs)<\/strong> can represent critical factors for long-term device stability.<\/p>\n<h2><\/h2>\n<h2><strong>Why internal atmosphere control matters in optoelectronics<\/strong><\/h2>\n<p>Optoelectronic devices increasingly support communication infrastructures in which reliability and consistent performance are essential.<br \/>\nOptical transceivers, for example, convert electrical signals into optical signals and vice versa, enabling high-speed data transmission through fiber-optic networks. RF modules perform a similarly critical function in wireless communication systems by transmitting and receiving radio-frequency signals.<\/p>\n<p>These devices often combine different materials, coatings, electronic components and assembly processes within a very limited volume.<br \/>\n<strong>Over time, gaseous contaminants released inside the package may interact with sensitive surfaces and components<\/strong>, potentially contributing to changes in electrical or optical characteristics and ultimately affecting device stability and lifetime.<\/p>\n<p>For this reason, <strong>hermetic sealing alone may not always be sufficient<\/strong>.<\/p>\n<p>An additional gas-management function can be integrated into the package to continuously control detrimental species after sealing.<\/p>\n  <\/div>\n    <div class=\"col-6 order-md-1\">\n    <div class=\"overlay-container two-columns-image-text ratio-4-5\">\n      \n        <img decoding=\"async\" src=\"https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/09\/25100649\/hermetic-packaging-moisture-adsorption-784x980.jpg\" srcset=\"https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/09\/25100649\/hermetic-packaging-moisture-adsorption-784x980.jpg 784w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/09\/25100649\/hermetic-packaging-moisture-adsorption-880x1100.jpg 880w\" alt=\"SAES Getters | hermetic-packaging-moisture-adsorption\"><div class=\"gradien-light\"><\/div>    <\/div>\n  <\/div>\n<\/div>\n\n\n<div class=\"container greyed\">\n    <div class=\"col-12\">\n    <h3 class=\"h3 title\">From discrete getters to integrated gas management<\/h3>  <\/div>\n<\/div>\n\n\n<div class=\"container greyed\">\n      <div class=\"col-6\">\n      <div>\n        <p><strong>Getter materials are specifically designed to capture gases and maintain controlled environments inside sealed devices<\/strong>.<\/p>\n<p>Traditionally, a getter may be introduced into a package as a separate component. However, miniaturization and increasingly complex device architectures make space, assembly simplicity and integration important design considerations.<\/p>\n<p>An alternative approach is to<strong> integrate getter functionality directly into a structural part of the package<\/strong>.<\/p>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n        <p><strong>The lid is particularly suitable for this purpose<\/strong>. It is already required to close the package and provides an available surface on which a functional getter coating can be applied.<\/p>\n<p>This approach transforms <strong>the lid from a passive packaging component into an active part of the internal atmosphere management system<\/strong>.<\/p>\n      <\/div>\n    <\/div>\n    <\/div>\n\n\n<div class=\"container align-items-center flip\">\n    <div class=\"col-6 order-md-2\">\n    <h3 class=\"h3 title\">ZeDry Lid: integrated control of hydrogen, moisture and VOCs<\/h3><p>ZeDry Lid is a <strong>SAES getter solution developed for hermetic optoelectronic devices<\/strong>.<\/p>\n<p>The technology consists of a <strong>high-capacity, solventless getter material coated directly onto the package lid and designed to capture hydrogen, moisture and volatile organic compounds<\/strong>.<\/p>\n<p>ZeDry combines different sorption mechanisms within the same integrated solution.<\/p>\n<p>Hydrogen is irreversibly sorbed, while moisture and VOCs are reversibly sorbed by the material, which means the <strong>ZeDry getters can be re-activated if the lid has been exposed to atmosphere, regaining all their nominal getter capacity.<\/strong><\/p>\n<p>By integrating the getter directly onto the lid, ZeDry Lid provides a <strong>plug-in approach to gas management without requiring the addition of a separate loose getter component inside the device<\/strong>.<\/p>\n<p>The solution can therefore support package designs where integration simplicity, available internal volume and contamination control are particularly important.<\/p>\n<p>&nbsp;<\/p>\n<h2><\/h2>\n<h2><strong>Integrating functionality without adding loose components<\/strong><\/h2>\n<p>Direct getter integration into the lid offers several advantages from a packaging perspective.<\/p>\n<p>First, the getter functionality is incorporated into a component that is already part of the device architecture. This can <strong>simplify integration<\/strong> compared with the introduction and fixation of a separate getter element.<\/p>\n<p>It also <strong>eliminates loose getter particles inside the package<\/strong> and <strong>enables the getter function to be positioned according to the package configuration<\/strong>.<\/p>\n<p>For manufacturers developing compact optoelectronic systems, this approach can help <strong>combine gas-sorption performance with increasingly demanding packaging requirements<\/strong>.<\/p>\n<p>The result is not simply a lid with an additional coating, but <strong>a functional packaging component designed to actively contribute to the stability of the internal environment throughout the device lifetime<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n          <a class=\"btn\" href=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/solution\/reversible-getter-lids\/\">\n            <span class='the-arrow -left'>\n              <span class='shaft'><\/span>\n            <\/span>\n            <span class=\"main\">\n              <span class=\"text\">Discover our ZeDry Lids<\/span>\n              <span class='the-arrow -right'>\n                <span class='shaft'><\/span>\n              <\/span>\n            <\/span>\n            <span class=\"circle-effect\"><\/span>\n          <\/a>\n            <\/div>\n    <div class=\"col-6 order-md-1\">\n    <div class=\"overlay-container two-columns-image-text ratio-4-5\">\n      \n        <img decoding=\"async\" src=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/wp-content\/uploads\/sites\/9\/2024\/10\/MG_3965-784x980.jpg\" srcset=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/wp-content\/uploads\/sites\/9\/2024\/10\/MG_3965-784x980.jpg 784w, https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/wp-content\/uploads\/sites\/9\/2024\/10\/MG_3965-880x1100.jpg 880w\" alt=\"SAES Getters | MG_3965\"><div class=\"gradien-light\"><\/div>    <\/div>\n  <\/div>\n<\/div>\n\n\n<div class=\"container align-items-center\">\n    <div class=\"col-6 order-md-2\">\n    <h3 class=\"h3 title\">Different internal environments require different getter strategies<\/h3><p>Not every hermetic device has the same internal atmosphere requirements.<\/p>\n<p>For applications where hydrogen, moisture and VOC management is the primary challenge, ZeDry Lid provides an integrated getter solution designed specifically for these species.<\/p>\n<p>Vacuum-packaged devices require a different approach.<\/p>\n<p>For these applications, <strong>SAES PaGe Lid technology integrates a getter film onto metallic, ceramic, glass or germanium lids, in customer-defined patterns<\/strong>. The getter film supports the maintenance of suitable vacuum conditions by chemically sorbing active gases including water, oxygen, carbon oxides, nitrogen and hydrogen.<\/p>\n<p>Both technologies apply the same underlying design principle: integrating getter functionality directly onto the package lid.<\/p>\n<p><strong>The specific getter technology, however, is selected according to the atmosphere that must be maintained inside the device<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n          <a class=\"btn\" href=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/solution\/getter-films-page-technology\/\">\n            <span class='the-arrow -left'>\n              <span class='shaft'><\/span>\n            <\/span>\n            <span class=\"main\">\n              <span class=\"text\">Discover our PaGe Lids<\/span>\n              <span class='the-arrow -right'>\n                <span class='shaft'><\/span>\n              <\/span>\n            <\/span>\n            <span class=\"circle-effect\"><\/span>\n          <\/a>\n            <\/div>\n    <div class=\"col-6 order-md-1\">\n    <div class=\"overlay-container two-columns-image-text ratio-4-5\">\n      \n        <img decoding=\"async\" src=\"https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/09\/25110500\/page-lids-hydrogen-adsorption-784x980.jpg\" srcset=\"https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/09\/25110500\/page-lids-hydrogen-adsorption-784x980.jpg 784w, https:\/\/saesgetter-space.fra1.digitaloceanspaces.com\/wp-content\/uploads\/sites\/9\/2026\/09\/25110500\/page-lids-hydrogen-adsorption-880x1100.jpg 880w\" alt=\"SAES Getters | page-lids-hydrogen-adsorption\"><div class=\"gradien-light\"><\/div>    <\/div>\n  <\/div>\n<\/div>\n\n\n<div class=\"container greyed\">\n    <div class=\"col-12\">\n    <h3 class=\"h3 title\">Supporting high-reliability optoelectronics<\/h3>  <\/div>\n<\/div>\n\n\n<div class=\"container greyed\">\n      <div class=\"col-6\">\n      <div>\n        <p>As communication and optoelectronic systems continue to evolve, devices are expected to combine increasing performance with compact dimensions and long operating lifetimes.<\/p>\n<p>Under these conditions, packaging becomes more than a protective enclosure.<\/p>\n<p>Its materials, internal atmosphere and ability to manage contaminants can directly contribute to <strong>device reliability<\/strong>.<\/p>\n      <\/div>\n    <\/div>\n        <div class=\"col-6\">\n      <div>\n        <p>By integrating gas-sorption functionality directly into the lid, getter-coated lid technologies offer designers a way to <strong>actively manage the environment inside hermetic devices without adding separate components<\/strong>.<\/p>\n<p>Long-term reliability therefore depends not only on keeping the external environment out, but also on controlling what remains \u2014 and what develops \u2014 inside the package after sealing.<\/p>\n      <\/div>\n    <\/div>\n    <\/div>\n\n\n<div class=\"container\">\n    <div class=\"col-12\">\n    <h3 class=\"h3 title\">Have any question?<\/h3>          <a class=\"btn\" href=\"https:\/\/www.saesgetters.com\/industrial-getters-dispensers\/contact-us\/\">\n            <span class='the-arrow -left'>\n              <span class='shaft'><\/span>\n            <\/span>\n            <span class=\"main\">\n              <span class=\"text\">Contact us<\/span>\n              <span class='the-arrow -right'>\n                <span class='shaft'><\/span>\n              <\/span>\n            <\/span>\n            <span class=\"circle-effect\"><\/span>\n          <\/a>\n            <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":7,"featured_media":2419,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[1],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - 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