Stamp terms explained: die, ring text, dwell, bleed and the rest

9 September 2026 · Stamp-Seal

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Ordering a stamp, physical or digital, means reading a page of stamp terminology that nobody ever defines. Here is the vocabulary, in the order you tend to meet it.

Every term below is something you will be asked to choose, on an order form or in the editor, and most of them decide whether the finished mark is readable at 40mm. They are grouped the way you meet them: the object first, then the layout, then the words that only apply to a file.

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Stamp terminology for the object itself

Die. The rubber or polymer layer carrying the raised, mirrored wording. The die is the stamp; everything else is a way of holding it.

Mount. The block the die is stuck to. Wood on a traditional stamp, plastic on a modern one.

Self-inking. The die sits on a spring mechanism that flips it onto an internal ink pad between impressions. Fast, and the pad is replaceable.

Pre-inked. The die itself holds the ink inside a porous material. Sharper impressions, thousands of them, then it is refilled or replaced.

Embosser. No ink at all. Two dies squeeze the paper and leave a raised impression. Formal, and nearly invisible on a photocopy.

Dwell. How long the stamp is held down. Too short gives a faint mark, too long lets the ink spread. It is the usual reason an impression looks bad when the stamp itself is fine.

The layout

Ring text. Wording curved around the inside of a circular stamp. The top arc reads left to right along the top; the bottom arc is normally set to read the same way rather than upside down.

Centre block. The straight lines in the middle. Usually the name, a title, a date line or a number.

Border. The outer ring or box. A double ring reads as more formal, a single ring as more modern.

Impression size. The finished size of the mark, given in millimetres, measured across the widest point. Common sizes are 38mm to 45mm for a round company seal and about 38mm by 14mm for a small rectangular stamp.

Bleed. Space between the wording and the edge. Wording set too close to the border prints as a mark that touches its own frame.

Knockout. Removing a background from a logo so the shape prints in one ink rather than as a grey box. A logo that has not been knocked out is the most common reason a logo stamp looks like a pasted image.

The digital vocabulary

Transparency. The area around the design is see-through. Without it the mark arrives as a white rectangle sitting on top of the document.

DPI. Dots per inch. 300 DPI is the working minimum for anything that will be printed. A stamp saved for screen at 72 DPI turns soft the moment it goes near a printer.

Vector. A file made of shapes rather than pixels (SVG, and the linework in a DXF). It can be scaled to any size with no loss, which is what a sign maker or a CAD drawing needs.

Raster. A file made of pixels (PNG, JPG, TIFF). Fine at the size it was made for.

Live text. Wording that remains editable text in the file rather than being drawn into the picture. Useful for the date and the serial, which are the two things meant to change.

Reading an order form

Put together, a typical specification reads: 40mm round, double border, ring text top and bottom, three-line centre block, 300 DPI PNG with transparency. Every one of those words is defined above, and every one of them is a control in the stamp maker.

More definitions, one term per entry, sit in the glossary.

Questions people ask

What is the die on a stamp?

The stamp die meaning is the plainest in this list: it is the rubber or polymer layer that carries the design and touches the paper. It is the part that is cut for you, the part that wears out, and the part you pay to replace when a line of the wording changes.

What is ring text on a seal?

The wording that curves around the inside of the border. It is where a long registered name belongs, because a curve gives it more room than a straight line across the middle does.

What is the difference between self-inking and pre-inked?

A self-inking stamp carries a pad that the die presses into between impressions; a pre-inked stamp holds the ink inside the die itself. Pre-inked gives a crisper impression and lasts for thousands of them, self-inking is cheaper and easier to re-ink.

Where can I find a fuller stamp glossary?

The glossary defines the same terms one at a time, with a page for each, which is the version to send somebody who only needs one of them.

What impression size should I order?

Between 35mm and 45mm for a round company seal, and about 45mm by 15mm for a rectangular office stamp. Beyond that a mark stops reading as a stamp and starts reading as a graphic.

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