WordNet

pierce with a pin; "pin down the butterfly"
flagpole used to mark the position of the hole on a golf green (同)flag
cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown (同)pin tumbler
a piece of jewelry that is pinned onto the wearers garment
a small slender (often pointed) piece of wood or metal used to support or fasten or attach things
informal terms for the leg; "fever left him weak on his sticks" (同)peg, stick
attach or fasten with pins or as if with pins; "pin the needle to the shirt". "pin the blame on the innocent man"
immobilize a piece
a womans cap with two long flaps pinned on
the ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
the 16th letter of the Greek alphabet
a feeling of deep longing

PrepTutorEJDIC

『ピン』・留め針・《しばしば複合語を作って》ピンの働きをする物 / (留め針の付いた)『記章』,『バッジ』 / (木・プラスチック・金属などの)留めくぎ,掛けくぎ(peg);(弦楽器の)糸巻き / 《複数形で》《英話》脚(legs) / 《a~》《否定文で》ほんのわずか / (ゴルフ・ボウリングの)ピン / (…に)…‘を'『ピンで留める』《+『名』+『to』(『on』)+『名』》 / (人・物事に)〈望み・信頼など〉‘を'かける《+『名』+『on』+『名』》 / (…に)…‘を'動けなくする《+『名』+『against』(『to, under』)+『名』》 / 《話》〈罪・過失など〉‘を'(人の)せいだとする《+『名』+『on』+『名』〈人〉》
〈C〉パイ(ギリシア語アルファベットの第16字Π,π;英語のP,pに相当) / 〈U〉円周率(記号はπ)
ごちゃまぜの活字 / ごちゃまぜ,混乱

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/04/05 04:50:17」(JST)

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A collection of push-pins in a cork board

A bobby pin

A pin is a device used for fastening objects or material together. Pins often have two components: a long body and sharp tip made of steel, or occasionally copper or brass, and a larger head often made of plastic. The sharpened body penetrates the material, while the larger head provides a driving surface. It is formed by drawing out a thin wire, sharpening the tip, and adding a head. Nails are related, but are typically larger. In machines and engineering, pins are commonly used as pivots, hinges, shafts, jigs, and fixtures to locate or hold parts.

Sewing and fashion pins

Curved sewing pins have been used for over four thousand years. Originally, they were fashioned out of iron and bone by the Sumerians and were used to hold clothes together. Later, these pins were also used to hold pages together by threading the needle through their top corner.^[1]

Many late pins were made of brass, a hard metal. Steel was used later, as it was much stronger, but there was no easy process to keep steel from rusting, so higher quality pins were plated with nickel, but the metal would start to break down and flake off in high humidity, allowing rust to form. Steel pins were not that inconvenient for homemaking uses as they were usually only used temporarily while sewing garments.^[2]

The term "pin money" dates to the 17th century; according to Oxford University Press, it refers to an allowance for decorative clasps that were worn in hair or on clothing.^[3] It was subsequently applied to money to buy clothing generally, and later to money for any minor personal expenditure.^[4]

Walter Hunt invented the safety pin by forming an eight-inch brass pin into a bent pin with a spring and guard. He sold the rights to his invention to pay a debt to a friend,^[5] not knowing that he could have made millions of dollars.

Bobby pins and other types of hairpins are used for restraining the hair. Collar pins are used to hold the collar of a dress shirt in men's fashion. Lapel pins are decorative jewelry attached to the clothing.

General purpose pins

The push pin was invented in 1900 by Edwin Moore and quickly became a success. These pins are also called "thumbtacks". There is also a new push pin called a "paper cricket".

Steel pins without heads

Thin, hardened pins can be driven into wood with a hammer with the goal of not being seen.

A different style pin, somewhat thicker (1.5–2 mm diameter), 2 cm short and with rounded tip (known as a stylus) is used with gramophones. The vibration of the stylus transforms the physical waves of the groove in a record to the movement of a membrane. In this way the sound recorded can be heard.

Mechanical fasteners

In engineering and machine design, a pin is a machine element that secures the position of two or more parts of a machine relative to each other. A large variety of types has been known for a long time; the most commonly used are solid cylindrical pins, solid tapered pins, groove pins, slotted spring pins and spirally coiled spring pins.

Clevis pin
Cotter pin
Spring pin
Split pin

Notes

^ Petroski, Henry, "From Pins to Paper Clips", The Evolution of Useful Things, Knopf, New York, 1993, p. 53
^ Bridgman, Roger. 1000 Inventions & Discoveries. New York: Dorling Kindersley Publishing [1], 2002, p.126
^ "Pin Money". Oxford Dictionaries. Oxford UP. Retrieved 26 November 2013.
^ The Phrase Finder : Pin Money. Retrieved 2012-09-22.
^ Alfred, R (2008-10-04). "April 10, 1849: Safety Tech Gets to the Point, Baby". Wired. Retrieved 2008-10-23.

References

Henry Petroski, The Evolution of Useful Things, Chapter 4. ISBN 0-679-74039-2.
Robert Parmley, Standard handbook of fastening and joining. 1st edition. Chapter 2. McGraw-Hill (New York). 1977. ISBN 0-07-048511-9
http://www.mcmaster.com/#pins/
Gardette

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Japanese Journal

Study of GaAsSb/GaAs type-II quantum well with top InAs quantum dot layer using complementary spectroscopy techniques

Hsu Hung-Pin,Wu Jiun-De,Lin Yan-Jih,Huang Ying-Sheng,Lin You-Ru,Lin Hao-Hsiung
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InGaN light-emitting diodes with embedded nanoporous GaN distributed Bragg reflectors

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InGaN-based light-emitting diodes (LEDs) with embedded conductive nanoporous GaN/undoped GaN (NP-GaN/u-GaN) distributed Bragg reflectors (DBRs) were demonstrated. Nanoporous GaN DBR structures were fa …
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