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  6. Rikyu Electric's core technology "Acid Metal Deposition"

Rikyu Electric's core technology "Acid Metal Deposition"

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last updated:Sep 16, 2025

利久電器 本社
利久電器 本社
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We will introduce one of our core technologies, the acid metal deposition process, along with illustrations.

Acid-resistant resistors are one of the main products of Rikyu Electric. We are introducing the process of baking metal oxide films onto white insulators, which is the starting process for manufacturing acid-resistant resistors, along with illustrations. If you are looking for alternatives due to the discontinuation of existing model numbers or are interested in the acid film deposition process beyond just resistors, please take a moment to read this. We also accept contracts for partial processes, not just for finished product sales. If you are interested, please feel free to contact us. Flow after downloading the materials: 1. In addition to the automatic reply email, we will send an email from the Ipros site. 2. If you have specific interests, please reply with details about the items you are considering for use and any current issues you are facing. *We will proceed to the next steps only if we receive contact from you. 3. We will respond to your inquiries and discuss future meetings. 4. We will visit your company for discussions (web meetings are also possible. For custom products, we would prefer to meet in person if possible).

    Resistors
利久電器のコア技術(酸金)表紙.jpg

Rikyu Electric's core technology "Acid Metal Deposition"

利久電器のコア技術(酸金)表紙.jpg
利久電器のコア技術(酸金)表紙.jpg
  • Related Link - https://rikyu-denki.co.jp/
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basic information

This is a process of applying a metal oxide coating to alumina and mullite cores with diameters ranging from 1.7mm to 270mm and lengths from approximately 5.5mm to 1650mm. If the material can withstand high temperatures, there may be possibilities for other shapes and sizes beyond those mentioned above. Please feel free to contact us.

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※Delivery will take 30 to 60 days after receiving your order. (Please note that the delivery time may vary depending on the order quantity and specifications, so consider this as a guideline.)

Applications/Examples of results

The process of baking a metal oxide film onto a white substrate.

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Rikyu Electric's core technology "Acid Metal Deposition"

Rikyu Electric's core technology "Acid Metal Deposition"

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利久電器

利久電器 本社

Electronic Components and Semiconductors

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Our company, primarily focused on the amusement industry, is realizing the diverse small-lot and short-lead-time needs of domestic users in fields such as industrial equipment, and by responding sincerely to all, we have gained the trust of our users. We offer a lineup of major products including carbon film resistors, metal film resistors, thick film resistors, wire-wound resistors, cement resistors, resistor networks, hybrid ICs, and various assemblies, catering to both low and high resistance. Please feel free to consult us regarding discontinued replacements, special shapes, and partial process contracting.

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