{"version":"1.0","provider_name":"\u5a01\u98a8 Ifu - Das authentische Katana","provider_url":"https:\/\/selected-japanese-swords.com\/ifu-de","author_name":"\u5a01\u98a8 Ifu","author_url":"https:\/\/selected-japanese-swords.com\/ifu-de\/author\/sjs\/","title":"Im Inneren der Klinge: Metallurgische Geheimnisse des authentischen Katana - \u5a01\u98a8 Ifu - Das authentische Katana","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"9Yd0hc5Y9g\"><a href=\"https:\/\/selected-japanese-swords.com\/ifu-de\/inside-the-blade\/\">Im Inneren der Klinge: Metallurgische Geheimnisse des authentischen Katana<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/selected-japanese-swords.com\/ifu-de\/inside-the-blade\/embed\/#?secret=9Yd0hc5Y9g\" width=\"600\" height=\"338\" title=\"&#8220;Im Inneren der Klinge: Metallurgische Geheimnisse des authentischen Katana&#8221; &#8212; \u5a01\u98a8 Ifu - Das authentische Katana\" data-secret=\"9Yd0hc5Y9g\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/selected-japanese-swords.com\/ifu-de\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Vom japanischen Katana wird oft gesagt, dass es die einzige Klinge der Welt ist, die wirklich das ideale Dreigestirn erreicht: unzerbrechlich, unverbiegbar und messerscharf. Was macht das m\u00f6glich? Viele Experten verweisen auf die charakteristische Kr\u00fcmmung des Katana. Aber unter dieser eleganten Form verbirgt sich ein erstaunlich komplexer Prozess, der die Kombination von Materialien mit unterschiedlichen [&hellip;]","thumbnail_url":"https:\/\/selected-japanese-swords.com\/ifu-de\/wp-content\/uploads\/2025\/07\/Metallurgical-Secrets-of-Authentic-Katana-1024x683.png","thumbnail_width":1024,"thumbnail_height":683}