Ball-point pen is a writing tool that uses ball rotation of the ink written on paper. After the World War II, ball-point pen was introduced into China. The shrewd businessman did "atomic pen" ad, by the recent explosion of the atomic bomb in Japan to open the fall-out of sales. In fact, "pen" has nothing to do with atoms, but similar to pronunciation only.

  From the view of the available information, the name of ball-point pen was first appeared in 1888, when an Americans named John. Lauder designed a ball making use of the pen nib, but he failed to make easy goods for people to use.

  In 1895, the British market has also sold the commercialization of non-writing with a ballpoint pen. Because their use is narrow, the British market failed to catch on. In 1916, Germany also designed a new type of ball-point pen, its structure is closer to today's ball-point pen, but with poor performance, failed to widespread worldwide.

  In 1936, Hungary's commitment to Biro printing text at a press proofing work, with a fountain pen Gaiqing samples, it is often of invasive fuzziness. Thus Biro began to ponder whether the trial of a writing tool can replace the other pen. After a period of testing, he used a steel pipe filled with quick-drying ink, at one end fitted with steel ball as a nib. Then, he was able to write in a variety of written material on the tests and found traces can be left unremovable, and pen ink tube overflow is not easy to test successfully. In 1940, he also has improved his invention, on July 10, 1943 he applied for a patent. In 1945 the ball-point pen began to enter the market.

  Ball-point pen is different from fountain pen because it uses dry thick of ink, ink pen is also relying on the free rotation of the ball with his head out of turn to write on the paper, therefore does not leak, not climate effects, and can write for a longer time, eliminating the need to ink the regular infusion of trouble. Quickly ball-point pen became popular in the world. Currently, Japan can consume 400 million ball-point pens a year.