{"id":4689,"date":"2026-07-17T21:03:12","date_gmt":"2026-07-17T12:03:12","guid":{"rendered":"https:\/\/blog.yeoshin.co.kr\/en\/bubble-jet-technology-explained\/"},"modified":"2026-07-17T21:03:40","modified_gmt":"2026-07-17T12:03:40","slug":"bubble-jet-technology-explained","status":"publish","type":"post","link":"https:\/\/blog.yeoshin.co.kr\/en\/bubble-jet-technology-explained\/","title":{"rendered":"Inside Bubble Jet Technology: How Tiny Bubbles Revolutionized Printing"},"content":{"rendered":"

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[Bubble Jet Technology]<\/strong> Have you ever wondered how your printer flawlessly shoots microscopic ink droplets to create vibrant images? Discover the fascinating science behind Canon’s accidental genius!<\/div>\n

We’ve all been there\u2014staring at a printer, waiting for our important documents to materialize, and sometimes grumbling when it randomly jams. But honestly, when you stop to think about what’s actually happening inside that plastic box, it’s nothing short of magic! Today, I want to dive into one of my absolute favorite tech marvels: Bubble Jet technology. \ud83d\ude0a<\/p>\n

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The Accidental Invention \ud83d\udd2c<\/strong><\/h2>\n

Did you know that one of the most widely used printing technologies was discovered entirely by accident? Back in the late 1970s, a researcher at Canon was working in the lab when his hot soldering iron accidentally touched the needle of a liquid-filled syringe. To his absolute amazement, the sudden intense heat caused a tiny bubble to form, shooting a perfect drop of liquid out of the needle.<\/span> And just like that, the core concept for the Bubble Jet printer was born!<\/p>\n

\ud83d\udca1 Did you know!<\/strong>
While Canon coined the iconic term “Bubble Jet,” Hewlett-Packard (HP) was independently developing almost the exact same thermal inkjet technology around the same time. Great minds really do think alike!<\/div>\n

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What Exactly is a Bubble Jet? \ud83d\udda8\ufe0f<\/strong><\/h2>\n

In simple terms, a Bubble Jet is a specific type of thermal inkjet printer. Instead of using mechanical pressure to push ink onto the paper, it uses intense, rapid heat. The printer’s microchips contain hundreds of microscopic heating elements (resistors). When electricity passes through these resistors, they heat up incredibly fast\u2014we’re talking about essentially vaporizing the ink in a matter of microseconds to create a rapid, expanding bubble.<\/p>\n<\/div>\n

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How It Works: Step-by-Step \u2699\ufe0f<\/strong><\/h2>\n

To truly appreciate this technology, let’s break down the process that happens thousands of times per second while you’re printing that family photo:<\/p>\n

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  1. Heating:<\/strong> An electrical current triggers a microscopic resistor inside the ink chamber.<\/li>\n
  2. Bubble Formation:<\/strong> The intense heat instantly boils a tiny amount of ink, creating a steam bubble.<\/li>\n
  3. Ejection:<\/strong> The rapidly expanding bubble forces a microscopic droplet of ink out of the nozzle and onto your paper.<\/li>\n
  4. Refill:<\/strong> As the bubble collapses, it creates a vacuum that pulls more ink into the chamber for the next drop.<\/li>\n<\/ol>\n

    Thermal (Bubble Jet) vs. Piezoelectric<\/strong><\/h3>\n

    You might be wondering, “Is every printer a Bubble Jet?” Not quite! The main rival to thermal printing is piezoelectric technology (commonly used by Epson). Here is a quick comparison of the two:<\/p>\n\n\n\n\n\n\n\n
    Feature<\/th>\nBubble Jet (Thermal)<\/th>\nPiezoelectric (Epson)<\/th>\n<\/tr>\n<\/thead>\n
    Driving Force<\/td>\nHeat (Boiling ink)<\/td>\nElectric vibration (Crystal)<\/td>\n<\/tr>\n
    Ink Types<\/td>\nWater-based (must survive heat)<\/td>\nWide variety (no heat applied)<\/td>\n<\/tr>\n
    Cost of Printhead<\/td>\nCheaper (often built into cartridges)<\/td>\nMore expensive (permanent)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u26a0\ufe0f Warning:<\/strong>
    Because Bubble Jet technology relies on the liquid ink itself to cool down the heating elements, running a thermal inkjet printer when it is completely out of ink can literally burn out the printhead! Always replace your empty cartridges promptly.<\/div>\n
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    \ud83d\udd22 Ink Cost Per Page Calculator<\/h3>\n

    Curious about how much those tiny bubbles are actually costing you? Let’s calculate your simple cost per page based on standard cartridge metrics!<\/p>\n

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    Cartridge Price ($):<\/div>\n

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    Estimated Page Yield:<\/div>\n

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