{"id":339,"date":"2022-03-20T18:32:50","date_gmt":"2022-03-20T09:32:50","guid":{"rendered":"http:\/\/alvc.chu.jp\/en\/?page_id=339"},"modified":"2022-05-04T23:19:44","modified_gmt":"2022-05-04T14:19:44","slug":"vapor-chamber","status":"publish","type":"page","link":"https:\/\/www.alvc.jp\/en\/vapor-chamber\/","title":{"rendered":"Vapor Chamber"},"content":{"rendered":"<p><a name=\"alvc\"><\/a><\/p>\n<div class=\"row\">\n<div class=\"col-12 col-md-12 cntr\"><img decoding=\"async\" src=\"\/en\/wp-content\/uploads\/2022\/03\/im_vapor_chamber_en_01.jpg\" alt=\"Vapor Chamber\" \/><\/div>\n<div class=\"col-12 col-md-12\">\n<h3 class=\"tl_2_cntr\">Al vapor chamber<\/h3>\n<\/div>\n<div class=\"col-12 col-md-8\">\n<p class=\"space-top10\">One of LEA\u2019s most popular inventions, the Aluminum Vapor Chamber Plate (AVP).<\/p>\n<p>The AVP has a wide range of applications in various fields.<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>IGBT<\/li>\n<li>EV\/HEV Battery application<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>Semi-conductor devices.\u3000And much more.<\/li>\n<\/ul>\n<\/div>\n<div class=\"col-12 col-md-4\"><img decoding=\"async\" src=\"\/en\/wp-content\/uploads\/2022\/03\/im_alvc_aluminium_en.jpg\" alt=\"Aluminium\" \/><\/div>\n<\/div>\n<p class=\"cntr space-top40\">Thermal resistance compare data: Solid Al plate vs. LEA made ALVCs.<\/p>\n<div class=\"row\">\n<div class=\"col-12 col-md-6 cntr\">\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_aluminium_board.jpg\" alt=\"Aluminium\" \/><strong>Solid Al Plate<\/strong><\/p>\n<\/div>\n<div class=\"col-12 col-md-6 cntr\">\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_vaper_chamber.jpg\" alt=\"Aluminium Vapor Chamber\" \/><strong>ALVC<\/strong><\/p>\n<\/div>\n<div class=\"col-12 col-md-12\">\n<table class=\"table table-bordered\">\n<thead>\n<tr class=\"bg-primary text-light cntr\">\n<th scope=\"col\" width=\"30%\"><\/th>\n<th scope=\"col\" width=\"35%\">Al Plate<\/th>\n<th scope=\"col\" width=\"35%\">ALVC<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"cntr\">\n<th scope=\"row\">Dimentions<\/th>\n<td colspan=\"2\">W80mm\u00d7L80mm\u00d7T5mm<\/td>\n<\/tr>\n<tr class=\"table-secondary cntr\">\n<th scope=\"row\">Heat Source Power<\/th>\n<td>17.29W<\/td>\n<td>17.40W<\/td>\n<\/tr>\n<tr class=\"cntr\">\n<th scope=\"row\">Area Heat of Source<\/th>\n<td colspan=\"2\">10mm\u00d710mm<\/td>\n<\/tr>\n<tr class=\"table-secondary cntr\">\n<th scope=\"row\">\u0394T(Measured on the surface)<\/th>\n<td>5.6<\/td>\n<td>1.0<\/td>\n<\/tr>\n<tr class=\"cntr\">\n<th scope=\"row\">Thermal resistance(\u2103\/W)<\/th>\n<td>\n<p class=\"ntc\">0.32<\/p>\n<\/td>\n<td>\n<p class=\"ntc\">0.11<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p class=\"cntr space-top40\"><strong>Conventional Vapor Chambers vs LEA made ALVCs.<\/strong><\/p>\n<p class=\"cntr\">Capillary action occurs within the internal structure of the vapor chamber. Due to the use of a refrigerant, the heat circulation occurs repeatedly caused by pressure generated from the temperature differential between the heat receiving and the heat radiating side.<\/p>\n<div class=\"row\">\n<div class=\"col-12 col-md-6 cntr\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-526\" src=\"https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/im_alvc_heat_other.jpg\" alt=\"\" width=\"149\" height=\"433\" srcset=\"https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/im_alvc_heat_other.jpg 149w, https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/im_alvc_heat_other-103x300.jpg 103w\" sizes=\"auto, (max-width: 149px) 100vw, 149px\" \/><\/p>\n<p class=\"lft\"><strong>&#8220;Conventional&#8221;<\/strong><br \/>\nMechanical design of multiple single grooves. The use of coolant such as alcohol and acetone. Heat transfer flows only in one direction.<\/p>\n<\/div>\n<div class=\"col-12 col-md-6 cntr\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-528\" src=\"https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/im_alvc_heat_lea.jpg\" alt=\"\" width=\"150\" height=\"433\" srcset=\"https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/im_alvc_heat_lea.jpg 150w, https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/im_alvc_heat_lea-104x300.jpg 104w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/p>\n<p class=\"lft\"><strong>&#8220;LEA&#8217;s ALVC&#8221;<\/strong><br \/>\nMechanical design of connecting grooves. Rapid heat transfer and diffusion throughout the inner chamber by using a refrigerant such as R134a or others. Increases heat transfer across the VC.<\/p>\n<\/div>\n<\/div>\n<div class=\"row\">\n<div class=\"col-12 col-md-8\">\n<h4><\/h4>\n<h4 class=\"tl_2_item\">One of LEA\u2019s most popular inventions, the Aluminum Vapor Chamber Plate(AVP).<\/h4>\n<p>The AVP has a wide range of applications in various fields.<\/p>\n<p><strong>&#8220;Field&#8221;<\/strong><\/p>\n<ul>\n<li>IGBT<\/li>\n<li>EV\/HEV Battery application<\/li>\n<li>Semi-conductor devices.<\/li>\n<li>And much more.<\/li>\n<\/ul>\n<p>Size, shape, and weight are customizable based on request. For further info, inquiries, or quotations please contact us. <a title=\"Contact\" href=\"http:\/\/alvc.chu.jp\/en\/contact\/\">Click here<\/a>!<\/p>\n<\/div>\n<div class=\"col-12 col-md-4\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_vapor_chamber.jpg\" alt=\"Aluminium Vapor Chamber\" \/><\/div>\n<div class=\"col-12 col-md-12 space-top40\">\n<table class=\"table table-bordered\">\n<thead>\n<tr class=\"bg-primary text-light cntr\">\n<th scope=\"col\" width=\"50%\">Dimensions (mm)<\/th>\n<th scope=\"col\" width=\"50%\">Adjustable Length (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"cntr\">\n<td scope=\"row\">42(W)\u00d75(T)<\/td>\n<td>150\/200\/250\/300<\/td>\n<\/tr>\n<tr class=\"table-secondary cntr\">\n<td scope=\"row\">67(W)\u00d73(T)<\/td>\n<td>150\/200\/250\/300<\/td>\n<\/tr>\n<tr class=\"cntr\">\n<td scope=\"row\">72(W)\u00d75(T)<\/td>\n<td>150\/200\/250\/300<\/td>\n<\/tr>\n<tr class=\"table-secondary cntr\">\n<td scope=\"row\">125(W)\u00d75(T)<\/td>\n<td>300\/450\/600\/1000<\/td>\n<\/tr>\n<tr class=\"cntr\">\n<td scope=\"row\">182(W)\u00d710(T)<\/td>\n<td>300\/450\/600\/1000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class=\"bk_field_detail space-top40\">\n<div class=\"field_detail\">\n<div class=\"row\">\n<div class=\"col-12 col-md-12\">\n<h4 class=\"tl_2_item\">Test data on LEA&#8217;s Aluminum Vapor Chamber (ALVC) Co-op with Waseda University.<\/h4>\n<p>&nbsp;<\/p>\n<p class=\"space-top20\">&#8220;Angle Orientation difference in determining thermal resistance&#8221;<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"col-12 col-md-6 cntr space-top10\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_x-y_inclined_a.jpg\" alt=\"Angle Orientation difference\" \/><\/div>\n<div class=\"col-12 col-md-6 cntr space-top10\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_x-y_inclined_b.jpg\" alt=\"Angle Orientation difference\" \/><\/div>\n<div class=\"col-12 col-md-6 space-top20\">\n<p>An aluminum vapor chamber with dimensions of L300mmxW67mmxT5 was used with refrigerant R134a.The test was conducted using angles \u03b8 and \u03c6.This was done to measure the vapor chamber&#8217;s thermal resistance when applied to a heat source up to 100W.<\/p>\n<\/div>\n<div class=\"col-12 col-md-6 cntr space-top20\">\n<table class=\"table\">\n<tbody>\n<tr class=\"table-light\">\n<th width=\"50%\">Heat flux(W\/m<sup>2<\/sup>)<\/th>\n<th width=\"50%\">0\u301c7,463(input 100W)<\/th>\n<\/tr>\n<tr class=\"table-light\">\n<td>Angle \u03b8(deg.)<\/td>\n<td>0\u301c45<\/td>\n<\/tr>\n<tr class=\"table-light\">\n<td>Angle \u03a6(deg.)<\/td>\n<td>0\u301c45<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"col-12 col-md-12\">\n<p class=\"space-top20\">Results<\/p>\n<\/div>\n<div class=\"col-12 col-md-6 cntr space-top10\"><img decoding=\"async\" src=\"\/en\/wp-content\/uploads\/2022\/03\/im_examnation_result_en_right.jpg\" alt=\"Thermal resistance\" \/><\/div>\n<div class=\"col-12 col-md-6 cntr space-top10\"><img decoding=\"async\" src=\"\/en\/wp-content\/uploads\/2022\/03\/im_examnation_result_en_right.jpg\" alt=\"Thermal resistance\" \/><\/div>\n<p class=\"space-top20\">Vibration of particles was not detected while thermal resistance remained high during input of 10-20W. Additionally, when angles \u03b8 and \u03c6 are large, thermal resistance is reduced. Vibration of particles increases alongside the reduction of thermal resistance when heat input increases from 30W to 100W.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><a name=\"alvc_heat\"><\/a><\/p>\n<div class=\"row\">\n<div class=\"col-12 col-md-12\">\n<h3 class=\"tl_2_cntr\">AlVC heat sink<\/h3>\n<p class=\"space-top10\">With the functions of the vapor chamber combined with fins for its increased heat exchange surfaces, the heat exchange performance of the vapor chamber drastically increases.<\/p>\n<p class=\"space-top10\">Aluminum brazing technology allows us to combine the fins to the vapor chamber. Brazing technology enables better thermal conductivity at the fin\/vapor chamber joints, significantly increasing its performance. Furthermore, Aluminum Vapor Chamber Heat-sinks (ALVC) has better flexibility in constructing shapes and it is much lighter due to the aluminum material and the empty spaces inside the vapor chamber.<\/p>\n<\/div>\n<div class=\"col-12 col-md-6\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_alvc_heat_sink.jpg\" alt=\"AlVC heat sink\" \/><\/div>\n<div class=\"col-12 col-md-12\">\n<p class=\"space-top20 space-bottom20\">Benefits of Al Vapor Chamber Heat-sink.<\/p>\n<ul>\n<li>Light Weight, Durable.<\/li>\n<li>Flexible and retains shape.<\/li>\n<li>30% faster as compared to water cooling transmission due to refrigerant.<\/li>\n<li>Post machining is not required. Fins are welded together with the heatsink.<\/li>\n<li>100% aluminum, 100% recyclable<\/li>\n<\/ul>\n<p><strong>&#8220;Article&#8221;<\/strong><\/p>\n<p>4 reasons why aluminum vapor chambers are better than copper vapor chambers. (<a title=\"Contact\" href=\"https:\/\/www.alvc.jp\/en\/contact\/\">Contact<\/a> for info)<\/p>\n<\/div>\n<\/div>\n<div class=\"row\">\n<div class=\"col-12 col-md-6 cntr\">\n<p class=\"cntr\">(AVC) High-Power LED Lighting, Downlighting etc.<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_alvc_heat_sink_led.jpg\" alt=\"(AVC) High-Power LED Lighting, Downlighting etc.\" \/><\/p>\n<\/div>\n<div class=\"col-12 col-md-6 cntr\">\n<p class=\"cntr\">(AVP) IGBT Inverter, CPU, etc<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-511\" src=\"https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/Heatsink1.jpg\" alt=\"\" width=\"359\" height=\"198\" srcset=\"https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/Heatsink1.jpg 393w, https:\/\/www.alvc.jp\/en\/wp-content\/uploads\/2022\/04\/Heatsink1-300x166.jpg 300w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/p>\n<\/div>\n<div class=\"col-12 col-md-12\">\n<p>With a combination of an extruded vapor chamber welded to a heat sink attached with fins, the Tower Type vapor chamber (AVC) and U-Type vapor chamber (AVU) is capable of expelling heat uniformly with high efficiency in energy saving.<br \/>\nFins are added through either extrusion technology or brazing technology.<br \/>\nAVC is specially used in applications that involve LED lighting.<br \/>\nAVU is most commonly used for IGBT inverter and CPU-based applications.<br \/>\nSize, shape, and weight are customizable based on request. For further info, inquiries, or quotations please contact us. <a title=\"Contact\" href=\"https:\/\/www.alvc.jp\/en\/contact\/\">Click here<\/a>!<\/p>\n<\/div>\n<\/div>\n<p><a name=\"tvc\"><\/a><\/p>\n<div class=\"row\">\n<div class=\"col-12 col-md-12\">\n<h3 class=\"tl_2_cntr\">TVC system<\/h3>\n<\/div>\n<div class=\"col-12 col-md-6 cntr\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/in_tvc_01_left.jpg\" alt=\"\u200bTVC system\" \/><\/div>\n<div class=\"col-12 col-md-6 space-top20 cntr\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/in_tvc_01_right.jpg\" alt=\"TVC system\" \/><\/div>\n<div class=\"col-12 col-md-12 space-top20\">\n<p>The TVC is a combination of vapor chamber technology with thermoelectric modules. The vapor chamber supports the thermoelectric modules by improving its ability to cool the surroundings and maintain it at a stable temperature range.<br \/>\nAdditionally, the vapor chamber enlarges the surface area of the thermoelectric modules for wider heating capacity.<br \/>\nThrough this combination, a high coefficient of performance (COP) of 1.0~1.8 is achievable. Alongside, precise temperature control of (+\/-0.5C) is also attainable through this unique combination.<br \/>\nThe combination of these two thermal technologies enables LEA to achieve high performance in temperature control in a wide variety of applications.<\/p>\n<p><strong>&#8220;Example Applications&#8221;\u00a0<\/strong><\/p>\n<ul>\n<li>Li\/Ion battery pack, EV<\/li>\n<li>High Power Voltage Cable Tunnel.<\/li>\n<\/ul>\n<p><strong>&#8220;Our Published Research papers on the TVC system.&#8221; (<a title=\"Contact\" href=\"https:\/\/www.alvc.jp\/en\/contact\/\">Request for paper<\/a>)<\/strong><\/p>\n<ul>\n<li>2017, SEMI-THERM Convention in San Jose.<\/li>\n<li>2019, CIGRE Convention in Hakodate.<\/li>\n<\/ul>\n<\/div>\n<div class=\"col-12 col-md-6 cntr\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_tvc_02_left.jpg\" alt=\"TVC system\" \/><\/div>\n<div class=\"col-12 col-md-6 space-top20 cntr\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/03\/im_tvc_02_right.jpg\" alt=\"TVC system\" \/><\/div>\n<div class=\"col-12 col-md-12 space-top20\">\n<p>With the combination of the vapor chamber and thermoelectric technologies, the TVC system is capable to provide solutions to a wide variety of applications, allowing LEA to manufacture various products in multiple fields.<br \/>\nSize, shape, and weight are customizable based on request. For further info, inquiries, or quotations please contact us. <a title=\"Contact\" href=\"http:\/\/alvc.chu.jp\/en\/contact\/\">Click here<\/a>!<\/p>\n<\/div>\n<\/div>\n<p><!-- \u554f\u3044\u5408\u308f\u305b\u30dc\u30bf\u30f3\u30fbTEL\u30fb\u55b6\u696d\u6642\u9593 --><\/p>\n<div class=\"row cntr space-top30 space-bottom-50\">\n<div class=\"col-12 col-md-12\">\n<div class=\"footer_content_button\"><a href=\"\/en\/contact\/\"><img decoding=\"async\" src=\"\/en\/wp-content\/uploads\/2022\/03\/bt_contact_s_en.jpg\" alt=\"Contact\" \/><\/a><\/div>\n<div class=\"footer_tel\">TEL\uff1a+81-42-520-8223<\/div>\n<div class=\"footer_open_time\">From 10:00 to 18:00(Weekday except holiday)<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Al vapor chamber One of LEA\u2019s most popular inventions, the Aluminum Vapor Chamber Plate (AVP). The AVP has a wide range of applications in various fields. IGBT EV\/HEV Battery application Semi-conductor devices.\u3000And much more. Thermal resistance compare data: Solid Al plate vs. LEA made ALVCs. Solid Al Plate ALVC Al Plate ALVC Dimentions W80mm\u00d7L80mm\u00d7T5mm Heat [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-339","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/pages\/339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/comments?post=339"}],"version-history":[{"count":34,"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/pages\/339\/revisions"}],"predecessor-version":[{"id":581,"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/pages\/339\/revisions\/581"}],"wp:attachment":[{"href":"https:\/\/www.alvc.jp\/en\/wp-json\/wp\/v2\/media?parent=339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}